scholarly journals Quantum critical phenomena, entanglement entropy and Hubbard model in 1d with the boundary site with a negative chemical potential −p and the Hubbard coupling U positive

2009 ◽  
Vol 373 (3) ◽  
pp. 359-362 ◽  
Author(s):  
O. Hudak
Keyword(s):  
Hubbard Model ◽  
Critical Phenomena ◽  
Chemical Potential ◽  
Entanglement Entropy ◽  
Quantum Critical Phenomena ◽  
Quantum Critical ◽  
Boundary Site

scholarly journals Exotic Quantum Critical Phenomena of the Spin Nanotubes

2011 ◽  
Vol 302 ◽  
pp. 012013
Author(s):  
Tôru Sakai ◽  
Masahiro Sato ◽  
Kouichi Okunishi ◽  
Kiyomi Okamoto ◽  
Chigak Itoi
Keyword(s):  
Critical Phenomena ◽  
Quantum Critical Phenomena ◽  
Quantum Critical

Quantum Critical Phenomena in the Ni S2−xSex System

2000 ◽  
Vol 658 ◽  
Author(s):  
J.M. Honig
Keyword(s):  
Electrical Conductivity ◽  
Critical Point ◽  
Critical Phenomena ◽  
Critical Exponents ◽  
Moderate Pressure ◽  
Correlation Effects ◽  
Detailed Data ◽  
Quantum Critical Phenomena ◽  
Quantum Critical

ABSTRACTElectrical conductivity experiments on NiS2−xSex (x = 0.45) subjected to moderate pressure in the 30 – 800 mK range permit the investigation of quantum critical phenomena in this system. Detailed data are presented in the context of standard theories of correlation effects in the vicinity of a critical point. The critical exponents pertaining to these effects have been evaluated; the significance of these findings require further study.

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