Acta Physica Sinica
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//www.getgobooth.com/en/article/doi/10.7498/aps.25.461
Author(s): ZHANG WEN-YU <br/><p></p> <br/>Acta Physica Sinica. 1976 25(6): 461-462. Published 1976-03-05
Author(s): ZHANG WEN-YU <br/><p></p> <br/>Acta Physica Sinica. 1976 25(6): 461-462. Published 1976-03-05
IN DEEP MOURNING OF OUR GREAT LEADER AND TEACHER CHAIRMAN MAO
ZHANG WEN-YU
1976-03-05
Personal use only, all commercial or other reuse prohibited
Acta Physica Sinica. 1976 25(6): 461-462.
article
doi:10.7498/aps.25.461
10.7498/aps.25.461
Acta Physica Sinica
25
6
1976-03-05
//www.getgobooth.com/en/article/doi/10.7498/aps.25.461
461-462
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//www.getgobooth.com/en/article/doi/10.7498/aps.25.463
Author(s): MAO GUANG-YAO <br/><p></p> <br/>Acta Physica Sinica. 1976 25(6): 463-464. Published 1976-03-05
Author(s): MAO GUANG-YAO <br/><p></p> <br/>Acta Physica Sinica. 1976 25(6): 463-464. Published 1976-03-05
SONS AND DAUGHTERS OF SHAOSHAN WILL FOREVER CHERISH THE MEMORY OF CHAIRMAN MAO, AND VOW TO CARRY TO THE END THE STRUGGLE AGAINST "THE GANG OF FOUR" ANTIPARTY CLIQUE
MAO GUANG-YAO
1976-03-05
Personal use only, all commercial or other reuse prohibited
Acta Physica Sinica. 1976 25(6): 463-464.
article
doi:10.7498/aps.25.463
10.7498/aps.25.463
Acta Physica Sinica
25
6
1976-03-05
//www.getgobooth.com/en/article/doi/10.7498/aps.25.463
463-464
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//www.getgobooth.com/en/article/doi/10.7498/aps.25.465
Author(s): SHEN JUE-LIAN, ZHANG PENG-XIANG, MO YU-JUN <br/><p>An orthogonal-loop-coupling YIG tunable filter is analyzed by using the equivalent circuit. By introducing a suitable expression for the self-inductance of the coupling loop, applicable formulae for designing multi-stage YIG filters are given. Using these formulae, an example for designing the two-stage filter is presented. Also, the influence of the parameters of the coupling loops on the passband response is analyzed for a single-stage YIG resonance filter.</p> <br/>Acta Physica Sinica. 1976 25(6): 465-471. Published 1976-03-05
Author(s): SHEN JUE-LIAN, ZHANG PENG-XIANG, MO YU-JUN <br/><p>An orthogonal-loop-coupling YIG tunable filter is analyzed by using the equivalent circuit. By introducing a suitable expression for the self-inductance of the coupling loop, applicable formulae for designing multi-stage YIG filters are given. Using these formulae, an example for designing the two-stage filter is presented. Also, the influence of the parameters of the coupling loops on the passband response is analyzed for a single-stage YIG resonance filter.</p> <br/>Acta Physica Sinica. 1976 25(6): 465-471. Published 1976-03-05
DESIGN ANALYSIS FOR AN ORTHOGONAL-LOOP-COUPLING YIG TUNABLE FILTER
SHEN JUE-LIAN, ZHANG PENG-XIANG, MO YU-JUN
1976-03-05
Personal use only, all commercial or other reuse prohibited
Acta Physica Sinica. 1976 25(6): 465-471.
article
doi:10.7498/aps.25.465
10.7498/aps.25.465
Acta Physica Sinica
25
6
1976-03-05
//www.getgobooth.com/en/article/doi/10.7498/aps.25.465
465-471
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//www.getgobooth.com/en/article/doi/10.7498/aps.25.472
Author(s): QIAN ZU-WEN <br/><p>The problem of the non-linear interaction between two fully collimated plane-wave beams travelling in different directions has given rise to much of the controversy to date as to whether the secondary scattered radiation exists outside the interaction region. Ingard et al. expressed the primary beams with a type of discontinuous function ρ={ej(w-ky),|x|a. Through calculations, they claimed that a scattered radiation is shown to exist outside the region of interaction. Assuming primary fields are plane waves of infinite extent, Westervelt studied the same problem, but a negative conclusion was obtained. By dividing co-ordinate space into the inside and outside of the common volume, Al-Temimi solved Westervelt's equation for both cases and concluded that the two conflicting results could relatively be brought together.Although in this paper only ideal beams interacting at right angles are discussed, the author suggests that this type of discontinuity can be more adequately described with a certain combination of unit-step functions. By applying and solving Westervelt's equation, the author obtains an interesting result, i.e., the secondary scattered radiations outside the common volume originate not from a volume source as claimed by Al-Temimi, but from a δ-function surface-dipole. However, this surface source is. artificial, because discontinuous functions which do not satisfy the homogeneous wave equation have been used to describe the primary waves. It is shown that the solution obtained by the author is the same as that of Al-Temimi, therefore, a relative agreement cannot be reached between the two conflicting results. A comment is also made on the latter's paper concerning the inappropriateness of the continuous conditions assumed at the boundaries. Based on the above discussions, the author predicts that if the primary beams are to be described by discontinuous functions, then the theories of the parametric transmitting and recieving arrays will be similarly affected.</p> <br/>Acta Physica Sinica. 1976 25(6): 472-480. Published 1976-03-05
Author(s): QIAN ZU-WEN <br/><p>The problem of the non-linear interaction between two fully collimated plane-wave beams travelling in different directions has given rise to much of the controversy to date as to whether the secondary scattered radiation exists outside the interaction region. Ingard et al. expressed the primary beams with a type of discontinuous function ρ={ej(w-ky),|x|a. Through calculations, they claimed that a scattered radiation is shown to exist outside the region of interaction. Assuming primary fields are plane waves of infinite extent, Westervelt studied the same problem, but a negative conclusion was obtained. By dividing co-ordinate space into the inside and outside of the common volume, Al-Temimi solved Westervelt's equation for both cases and concluded that the two conflicting results could relatively be brought together.Although in this paper only ideal beams interacting at right angles are discussed, the author suggests that this type of discontinuity can be more adequately described with a certain combination of unit-step functions. By applying and solving Westervelt's equation, the author obtains an interesting result, i.e., the secondary scattered radiations outside the common volume originate not from a volume source as claimed by Al-Temimi, but from a δ-function surface-dipole. However, this surface source is. artificial, because discontinuous functions which do not satisfy the homogeneous wave equation have been used to describe the primary waves. It is shown that the solution obtained by the author is the same as that of Al-Temimi, therefore, a relative agreement cannot be reached between the two conflicting results. A comment is also made on the latter's paper concerning the inappropriateness of the continuous conditions assumed at the boundaries. Based on the above discussions, the author predicts that if the primary beams are to be described by discontinuous functions, then the theories of the parametric transmitting and recieving arrays will be similarly affected.</p> <br/>Acta Physica Sinica. 1976 25(6): 472-480. Published 1976-03-05
ON THE SCATTERING OF SOUND BY SOUND
QIAN ZU-WEN
1976-03-05
Personal use only, all commercial or other reuse prohibited
Acta Physica Sinica. 1976 25(6): 472-480.
article
doi:10.7498/aps.25.472
10.7498/aps.25.472
Acta Physica Sinica
25
6
1976-03-05
//www.getgobooth.com/en/article/doi/10.7498/aps.25.472
472-480
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//www.getgobooth.com/en/article/doi/10.7498/aps.25.481
Author(s): TANG YING-WU <br/><p>In this paper, the effect of a random fluctuation surface on the sound field of a harmonic point source in positive sound velocity gradient shallow water is consideved. Approximate expressions for the pole equations and amplitude functions are obtained. It is found that the results of reference [1] are the limiting case of the results of this paper.</p> <br/>Acta Physica Sinica. 1976 25(6): 481-486. Published 1976-03-05
Author(s): TANG YING-WU <br/><p>In this paper, the effect of a random fluctuation surface on the sound field of a harmonic point source in positive sound velocity gradient shallow water is consideved. Approximate expressions for the pole equations and amplitude functions are obtained. It is found that the results of reference [1] are the limiting case of the results of this paper.</p> <br/>Acta Physica Sinica. 1976 25(6): 481-486. Published 1976-03-05
THE NORMAL-MODE SOUND FIELD IN SHALLOW WATER HAVING A POSITIVE SOUND VELOCITY GRADIENT AND A RANDOM FLUCTUATION SURFACE
TANG YING-WU
1976-03-05
Personal use only, all commercial or other reuse prohibited
Acta Physica Sinica. 1976 25(6): 481-486.
article
doi:10.7498/aps.25.481
10.7498/aps.25.481
Acta Physica Sinica
25
6
1976-03-05
//www.getgobooth.com/en/article/doi/10.7498/aps.25.481
481-486
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//www.getgobooth.com/en/article/doi/10.7498/aps.25.487
Author(s): SUN XIN <br/><p>For a three-dimensional eight-vertex model with energy parameters satisfying the condition ε1+ε2=ε3+ε4, all the critical exponents have been calculated:α=α′=0,β=1/4,δ=7,γ=1/2,γ′=3/2,ν=ν′=1,η=3/2. These do not satisfy the scaling law, the reason is that the correlative region of polarization contracts from the crystal planes (1, 1, 1) and (1, 1, 1) to the crystal axis [1, 0, 1] at the critical point.</p> <br/>Acta Physica Sinica. 1976 25(6): 487-493. Published 1976-03-05
Author(s): SUN XIN <br/><p>For a three-dimensional eight-vertex model with energy parameters satisfying the condition ε1+ε2=ε3+ε4, all the critical exponents have been calculated:α=α′=0,β=1/4,δ=7,γ=1/2,γ′=3/2,ν=ν′=1,η=3/2. These do not satisfy the scaling law, the reason is that the correlative region of polarization contracts from the crystal planes (1, 1, 1) and (1, 1, 1) to the crystal axis [1, 0, 1] at the critical point.</p> <br/>Acta Physica Sinica. 1976 25(6): 487-493. Published 1976-03-05
A PHASE TRANSITION MODEL NOT IN ACCORDANCE WITH THE SCALING LAW
SUN XIN
1976-03-05
Personal use only, all commercial or other reuse prohibited
Acta Physica Sinica. 1976 25(6): 487-493.
article
doi:10.7498/aps.25.487
10.7498/aps.25.487
Acta Physica Sinica
25
6
1976-03-05
//www.getgobooth.com/en/article/doi/10.7498/aps.25.487
487-493
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//www.getgobooth.com/en/article/doi/10.7498/aps.25.494
Author(s): HU NING <br/><p>An equation of the Bethe-Salpeter type is used to obtain the internal wave function of mesons. It is found that if the potential well between the straton and anti-straton is of the pseudo-scalar type, then the 0- and 1- mesons will satisfy the same approximate radial wave function, and thus lead to SU6 symmetry. We have shown previously that pseudo-scalar potential is the only single type of potential which leads to this symmetry. The potential is V = V0+ V1, where V0 represents a super-strong deep well, the effect of which is to reduce the very large mass M of the free straton to a small effective value. The motion of the straton inside the meson is therefore relativistic. V1 represents a small potential of the order of 1/M of a simple harmonic oscillator. A tensor force is also introduced to account for the splitting of energy levels of the states with the same spin and orbital angular momentum. Our solutions for the ground and angular excited states of 0- and 1- mesons practically explain all the observed meson states. Our theory can apply equally to the baryon states if the phenomenological potential V0 is reduced by a factor of 2.</p> <br/>Acta Physica Sinica. 1976 25(6): 494-506. Published 1976-03-05
Author(s): HU NING <br/><p>An equation of the Bethe-Salpeter type is used to obtain the internal wave function of mesons. It is found that if the potential well between the straton and anti-straton is of the pseudo-scalar type, then the 0- and 1- mesons will satisfy the same approximate radial wave function, and thus lead to SU6 symmetry. We have shown previously that pseudo-scalar potential is the only single type of potential which leads to this symmetry. The potential is V = V0+ V1, where V0 represents a super-strong deep well, the effect of which is to reduce the very large mass M of the free straton to a small effective value. The motion of the straton inside the meson is therefore relativistic. V1 represents a small potential of the order of 1/M of a simple harmonic oscillator. A tensor force is also introduced to account for the splitting of energy levels of the states with the same spin and orbital angular momentum. Our solutions for the ground and angular excited states of 0- and 1- mesons practically explain all the observed meson states. Our theory can apply equally to the baryon states if the phenomenological potential V0 is reduced by a factor of 2.</p> <br/>Acta Physica Sinica. 1976 25(6): 494-506. Published 1976-03-05
THE WAVE FUNCTION OF MESONS IN THE STRATON MODEL
HU NING
1976-03-05
Personal use only, all commercial or other reuse prohibited
Acta Physica Sinica. 1976 25(6): 494-506.
article
doi:10.7498/aps.25.494
10.7498/aps.25.494
Acta Physica Sinica
25
6
1976-03-05
//www.getgobooth.com/en/article/doi/10.7498/aps.25.494
494-506
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//www.getgobooth.com/en/article/doi/10.7498/aps.25.507
Author(s): LI HUA-ZHONG, XIAN DING-CHANG, GUO SHUO-HONG <br/><p>Starting from the integral definition of gauge fields, and using a formularesembling the Gauss-Bonnet theorem - a theorem in differential geometryon compact manifolds, we derive a general conjugate relationship between the gauge charge and the dual charge. The relation between electronic charge and the magnetic monopole is an example of this conjugate relationship. For an SO (3) gauge group with a U (1) group as its invariant subgroup, we obtain the 't Hooft monopole solution as a special solution, without introducing any concept of singular strings or any mechanism such as the spontaneous breaking of symmetries.</p> <br/>Acta Physica Sinica. 1976 25(6): 507-513. Published 1976-03-05
Author(s): LI HUA-ZHONG, XIAN DING-CHANG, GUO SHUO-HONG <br/><p>Starting from the integral definition of gauge fields, and using a formularesembling the Gauss-Bonnet theorem - a theorem in differential geometryon compact manifolds, we derive a general conjugate relationship between the gauge charge and the dual charge. The relation between electronic charge and the magnetic monopole is an example of this conjugate relationship. For an SO (3) gauge group with a U (1) group as its invariant subgroup, we obtain the 't Hooft monopole solution as a special solution, without introducing any concept of singular strings or any mechanism such as the spontaneous breaking of symmetries.</p> <br/>Acta Physica Sinica. 1976 25(6): 507-513. Published 1976-03-05
ON THE PROBLEM OF THE DUAL CHARGE OF NON-ABELIAN GAUGE GROUPS -----A DISCUSSION ON MAGNETIC MONOPOLES
LI HUA-ZHONG, XIAN DING-CHANG, GUO SHUO-HONG
1976-03-05
Personal use only, all commercial or other reuse prohibited
Acta Physica Sinica. 1976 25(6): 507-513.
article
doi:10.7498/aps.25.507
10.7498/aps.25.507
Acta Physica Sinica
25
6
1976-03-05
//www.getgobooth.com/en/article/doi/10.7498/aps.25.507
507-513
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//www.getgobooth.com/en/article/doi/10.7498/aps.25.514
Author(s): HOU BO-YU, DUAN YI-SHI, GE MO-LIN <br/><p>The gauge inrariant expressions and relations of various physical quantities in the non-Abelian SU (2) gauge field, such as electric charge, dual charge (magnetic charge), electromagnetic field and massive vector field, are studied, The relation between magnetic charge and the large scale topological property of the isotopic directions of the charge operator is shown.</p> <br/>Acta Physica Sinica. 1976 25(6): 514-520. Published 1976-03-05
Author(s): HOU BO-YU, DUAN YI-SHI, GE MO-LIN <br/><p>The gauge inrariant expressions and relations of various physical quantities in the non-Abelian SU (2) gauge field, such as electric charge, dual charge (magnetic charge), electromagnetic field and massive vector field, are studied, The relation between magnetic charge and the large scale topological property of the isotopic directions of the charge operator is shown.</p> <br/>Acta Physica Sinica. 1976 25(6): 514-520. Published 1976-03-05
DUAL CHARGE OF A NON-ABELIAN GAUGE FIELD
HOU BO-YU, DUAN YI-SHI, GE MO-LIN
1976-03-05
Personal use only, all commercial or other reuse prohibited
Acta Physica Sinica. 1976 25(6): 514-520.
article
doi:10.7498/aps.25.514
10.7498/aps.25.514
Acta Physica Sinica
25
6
1976-03-05
//www.getgobooth.com/en/article/doi/10.7498/aps.25.514
514-520
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//www.getgobooth.com/en/article/doi/10.7498/aps.25.521
Author(s): FANG LI-ZHI, LIU YONG-ZHEN <br/><p></p> <br/>Acta Physica Sinica. 1976 25(6): 521-526. Published 1976-03-05
Author(s): FANG LI-ZHI, LIU YONG-ZHEN <br/><p></p> <br/>Acta Physica Sinica. 1976 25(6): 521-526. Published 1976-03-05
RAMAN SCATTERING OF RELATIVISTIC ELECTRONS IN A STRONG MAGNETIC FIELD
FANG LI-ZHI, LIU YONG-ZHEN
1976-03-05
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Acta Physica Sinica. 1976 25(6): 521-526.
article
doi:10.7498/aps.25.521
10.7498/aps.25.521
Acta Physica Sinica
25
6
1976-03-05
//www.getgobooth.com/en/article/doi/10.7498/aps.25.521
521-526
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//www.getgobooth.com/en/article/doi/10.7498/aps.25.527
Author(s): QI GUO-YING, GUO YA-PING <br/><p></p> <br/>Acta Physica Sinica. 1976 25(6): 527-532. Published 1976-03-05
Author(s): QI GUO-YING, GUO YA-PING <br/><p></p> <br/>Acta Physica Sinica. 1976 25(6): 527-532. Published 1976-03-05
SEISMIC SPECTRA, AND VARIATIONS IN THE SEISMIC SPECTRA OF MEDIUM-SCALE EARTHQUAKES BEFORE AND AFTER STRONG EARTHQUAKES
QI GUO-YING, GUO YA-PING
1976-03-05
Personal use only, all commercial or other reuse prohibited
Acta Physica Sinica. 1976 25(6): 527-532.
article
doi:10.7498/aps.25.527
10.7498/aps.25.527
Acta Physica Sinica
25
6
1976-03-05
//www.getgobooth.com/en/article/doi/10.7498/aps.25.527
527-532
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//www.getgobooth.com/en/article/doi/10.7498/aps.25.533
Author(s): XU JI-AN, ZHU ZAI-WAN <br/><p></p> <br/>Acta Physica Sinica. 1976 25(6): 533-535. Published 1976-03-05
Author(s): XU JI-AN, ZHU ZAI-WAN <br/><p></p> <br/>Acta Physica Sinica. 1976 25(6): 533-535. Published 1976-03-05
ESTIMATION OF THE CONDITIONS FOR SYNTHESIZING A15 TYPE Nb<sub<3</sub<Si AT HIGH PRESSURE
XU JI-AN, ZHU ZAI-WAN
1976-03-05
Personal use only, all commercial or other reuse prohibited
Acta Physica Sinica. 1976 25(6): 533-535.
article
doi:10.7498/aps.25.533
10.7498/aps.25.533
Acta Physica Sinica
25
6
1976-03-05
//www.getgobooth.com/en/article/doi/10.7498/aps.25.533
533-535
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//www.getgobooth.com/en/article/doi/10.7498/aps.25.536
Author(s): NEW MATERIALS LABORATORY <br/><p></p> <br/>Acta Physica Sinica. 1976 25(6): 536-540. Published 1976-03-05
Author(s): NEW MATERIALS LABORATORY <br/><p></p> <br/>Acta Physica Sinica. 1976 25(6): 536-540. Published 1976-03-05
ON THE HYSTERESIS LOOPS OF LIQUID-PHASE-SINTERED SmCo<sub<5</sub<, PERMANENT MAGNET AT VARIOUS TEMPERATURES
NEW MATERIALS LABORATORY
1976-03-05
Personal use only, all commercial or other reuse prohibited
Acta Physica Sinica. 1976 25(6): 536-540.
article
doi:10.7498/aps.25.536
10.7498/aps.25.536
Acta Physica Sinica
25
6
1976-03-05
//www.getgobooth.com/en/article/doi/10.7498/aps.25.536
536-540
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//www.getgobooth.com/en/article/doi/10.7498/aps.25.541
Author(s): LI XIAO-YUAN, DU DONG-SHENG, WU JI-MIN <br/><p></p> <br/>Acta Physica Sinica. 1976 25(6): 541-545. Published 1976-03-05
Author(s): LI XIAO-YUAN, DU DONG-SHENG, WU JI-MIN <br/><p></p> <br/>Acta Physica Sinica. 1976 25(6): 541-545. Published 1976-03-05
A POSSIBLE MESON SPECTRUM AND THE PRODUCTION AND DECAY OF THE NEW PARTICLES IN THE SU<sub<3</sub<<sup<(1)</sup<×SU<sub<3</sub<<sup<(2)</sup< MODEL
LI XIAO-YUAN, DU DONG-SHENG, WU JI-MIN
1976-03-05
Personal use only, all commercial or other reuse prohibited
Acta Physica Sinica. 1976 25(6): 541-545.
article
doi:10.7498/aps.25.541
10.7498/aps.25.541
Acta Physica Sinica
25
6
1976-03-05
//www.getgobooth.com/en/article/doi/10.7498/aps.25.541
541-545
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//www.getgobooth.com/en/article/doi/10.7498/aps.25.546
Author(s): LENGTH LABORATORY <br/><p></p> <br/>Acta Physica Sinica. 1976 25(6): 546-548. Published 1976-03-05
Author(s): LENGTH LABORATORY <br/><p></p> <br/>Acta Physica Sinica. 1976 25(6): 546-548. Published 1976-03-05
A LASER INTERFEROMETER FOR SMALL ANGLE MEASUREMENT
LENGTH LABORATORY
1976-03-05
Personal use only, all commercial or other reuse prohibited
Acta Physica Sinica. 1976 25(6): 546-548.
article
doi:10.7498/aps.25.546
10.7498/aps.25.546
Acta Physica Sinica
25
6
1976-03-05
//www.getgobooth.com/en/article/doi/10.7498/aps.25.546
546-548