Based on the theory of gravitation with torsion developed by Hammond [Rep. Prog. Phys. 65 （2002） 599], thc interaction between the intrinsic spin of a particle and the mass source is calculated. It is shown that spi...Based on the theory of gravitation with torsion developed by Hammond [Rep. Prog. Phys. 65 （2002） 599], thc interaction between the intrinsic spin of a particle and the mass source is calculated. It is shown that spin can interact with the gravitimagnetic field created by a rotational mass, where the spin-rotation coupling is also discussed. According to the recent torsion pendulum experiment with polarized electrons by Heckel et al. [Phys. Rev. Left. 97 （2006） 021603], we set a new limit on the value of the torsion coupling constant K as K E [0.53, 0.95], which has improved many orders than the constraints from the early spln-spin experiment with K 〈 2 × 10^14.展开更多
基金The project partially supported by the National Basic Research Program of China under Grant No. 2003CB716300 and National Natural Science Foundation of China under Grant No. 10505009
文摘Based on the theory of gravitation with torsion developed by Hammond [Rep. Prog. Phys. 65 （2002） 599], thc interaction between the intrinsic spin of a particle and the mass source is calculated. It is shown that spin can interact with the gravitimagnetic field created by a rotational mass, where the spin-rotation coupling is also discussed. According to the recent torsion pendulum experiment with polarized electrons by Heckel et al. [Phys. Rev. Left. 97 （2006） 021603], we set a new limit on the value of the torsion coupling constant K as K E [0.53, 0.95], which has improved many orders than the constraints from the early spln-spin experiment with K 〈 2 × 10^14.
