3 papers
cond-mat.stat-mech2025
Singular zero-temperature system
Q. H. Liu, S. F. Xiao, D. Guo +1
It has long been taken for granted that there is only one type of thermodynamic system near absolute zero temperature: the ordinary one compatible with all statements of the third…
cond-mat.stat-mech2020
Breakdown of equipartition of energy for vibrational heat capacity of diatomic molecular gas due to nonvanishing bond length
X. Y. Wu, S. Y. Wang, J. R. Yang +2
When the theorem of equipartition of energy applies to the vibrational degree of freedom within diatomic molecular gas, the bond length is usually taken as zero so that the theorem…
quant-ph2018
Geometric momentum and angular momentum for charge-monopole system
S. F. Xiao, Q. H. Liu
For a charge-monopole pair, though the definition of the orbital angular momentum is different from the usual one, and the transverse part of the momentum that includes the vector…