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A comment on boundary conditions of bosonic Lagrange multipliers at finite temperature
Date
1996-12-01
Author
Thomaz, M.T.
İpekoğlu, Yusuf
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The partition function defined in the usual way is a gauge-dependent quantity. However, the ansatz of Bernard and Gross et al leaves it gauge invariant. We use this ansatz for the partition function to show that Lagrange multipliers (non-physical bosonic fields) are not restricted to satisfying any boundary conditions in the path integral at finite temperature. We take a quantum mechanical model to illustrate that boundary conditions satisfied by non-physical fields depend on the choice of 'gauge'.
URI
https://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=3643118875&origin=inward
https://hdl.handle.net/11511/99189
Journal
European Journal of Physics
DOI
https://doi.org/10.1088/0143-0807/17/2/008
Collections
Department of Physics, Article
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M. T. Thomaz and Y. İpekoğlu, “A comment on boundary conditions of bosonic Lagrange multipliers at finite temperature,”
European Journal of Physics
, vol. 17, no. 2, pp. 82–84, 1996, Accessed: 00, 2022. [Online]. Available: https://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=3643118875&origin=inward.