scholarly journals Analytic energy-level densities of separable harmonic oscillators including approximate hindered rotor corrections

AIP Advances ◽  
2016 ◽  
Vol 6 (9) ◽  
pp. 095318 ◽  
Author(s):  
M. Döntgen
Keyword(s):  
Energy Level ◽  
Harmonic Oscillators ◽  
Level Densities

Methods for calculating energy-level densities

1971 ◽  
Vol 71 (4) ◽  
pp. 339-356 ◽  
Author(s):  
Wendell Forst
Keyword(s):  
Energy Level ◽  
Level Densities

scholarly journals Bethe Ansatz for XXX chain with negative spin

2019 ◽  
Vol 34 (31) ◽  
pp. 1950197
Author(s):  
Kun Hao ◽  
Dmitri Kharzeev ◽  
Vladimir Korepin
Keyword(s):  
Energy Level ◽  
Quantum Chromodynamics ◽  
Bethe Ansatz ◽  
Thermodynamic Limit ◽  
Spin Chain ◽  
Degrees Of Freedom ◽  
Harmonic Oscillators ◽  
Effective Theory ◽  
Scattering State ◽  
Topological Excitation

[Formula: see text] spin chain with spin [Formula: see text] appears as an effective theory of Quantum Chromodynamics. It is equivalent to lattice nonlinear Schroediger’s equation: interacting chain of harmonic oscillators [bosonic]. In thermodynamic limit each energy level is a scattering state of several elementary excitations [lipatons]. Lipaton is a fermion: it can be represented as a topological excitation [soliton] of original [bosonic] degrees of freedom, described by the group [Formula: see text]. We also provide the CFT description (including local quenches) and Yang–Yang thermodynamics of the model.

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