Spin coherent-state path integrals and the instanton calculus

DOI10.1063/1.1521797zbMath1061.81042arXivcond-mat/0111139OpenAlexW2001076396MaRDI QIDQ4832869

Anupam Garg, Michael Stone, Evgueny Kochetov, Kee-Su Park

Publication date: 14 December 2004

Published in: Journal of Mathematical Physics (Search for Journal in Brave)

Full work available at URL: https://arxiv.org/abs/cond-mat/0111139

Mathematics Subject Classification ID

Path integrals in quantum mechanics (81S40) Applications of manifolds of mappings to the sciences (58D30) Semiclassical techniques, including WKB and Maslov methods applied to problems in quantum theory (81Q20)

Related Items (7)

The semiclassical coherent state propagator in the Weyl representation ⋮ On the extra phase correction to the semiclassical spin coherent-state propagator ⋮ Coherent-state path integrals in the continuum: the \(SU(2)\) case ⋮ Fermionic path integrals and correlation dynamics in a 1D XY system ⋮ Semiclassical coherent-state propagator for many spins ⋮ Low-temperature phonoemissive tunneling rates in single molecule magnets ⋮ Bohr-Sommerfeld Quantization of Spin Hamiltonians

Cites Work

• Path integrals of spin-\(J\) systems in the holomorphic representation
• The classical limit of quantum spin systems
• The semiclassical propagator for spin coherent states
• Instanton picture of the spin tunnelling in the Lipkin - Meshkov - Glick model
• Application of the discrete Wentzel–Kramers–Brillouin method to spin tunneling
• SU(2) coherent-state path integral

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