Zobrazeno 1 - 10
of 432
pro vyhledávání: '"Berche, B."'
Publikováno v:
Condensed Matter Physics, 2024, Vol. 27, No. 1, 13603
We progress finite-size scaling in systems with free boundary conditions above their upper critical dimension, where in the thermodynamic limit critical scaling is described by mean-field theory. Recent works show that the correlation length is not b
Externí odkaz:
http://arxiv.org/abs/2311.11721
Publikováno v:
Condensed Matter Physics, 2023, vol. 26, No. 3, 33606
Although well described by mean-field theory in the thermodynamic limit, scaling has long been puzzling for finite systems in high dimensions. This raised questions about the efficacy of the renormalization group and foundational concepts such as uni
Externí odkaz:
http://arxiv.org/abs/2306.13409
Basic questions on the nature of spin polarization in two terminal systems and the way in which decoherence breaks Time-Reversal Symmetry (TRS) are analyzed. We exactly solve several one-dimensional models of tunneling electrons and show the interpla
Externí odkaz:
http://arxiv.org/abs/2301.02156
Publikováno v:
Condensed Matter Physics. 2024, Vol. 27 Issue 1, p1-15. 15p.
Publikováno v:
Condens. Matter Phys., 2020, vol. 23, No. 2, 23701
Since the logarithm function is the solution of Poisson's equation in two dimensions, it appears as the Coulomb interaction in two dimensions, the interaction between Abrikosov flux lines in a type II superconductor, or between line defects in elasti
Externí odkaz:
http://arxiv.org/abs/2001.10066
Publikováno v:
J. Chem. Phys. 151, 125102 (2019)
We present an analytical model for the role of hydrogen bonding on the spin-orbit coupling of model DNA molecule. Here we analyze in detail the electric fields due to the polarization of the Hydrogen bond on the DNA base pairs and derive, within tigh
Externí odkaz:
http://arxiv.org/abs/1910.05985
Publikováno v:
Condens. Matter Phys., 2017, vol. 20, No. 1, 13803
Like it or not, attempts to evaluate and monitor the quality of academic research have become increasingly prevalent worldwide. Performance reviews range from at the level of individuals, through research groups and departments, to entire universitie
Externí odkaz:
http://arxiv.org/abs/1703.10407
Publikováno v:
Condens. Matter Phys., 2017, vol. 20, No. 1, 13702
Graphene consists in a single-layer carbon crystal where 2$p_z$ electrons display a linear dispersion relation in the vicinity of the Fermi level, conveniently described by a massless Dirac equation in $2+1$ spacetime. Spin-orbit effects open a gap i
Externí odkaz:
http://arxiv.org/abs/1701.00363
Publikováno v:
J. Phys. A: Math. Theor. 49 255001 (2016)
We reconsider the mean-field Potts model with $q$ interacting and $r$ non-interacting (invisible) states. The model was recently introduced to explain discrepancies between theoretical predictions and experimental observations of phase transitions in
Externí odkaz:
http://arxiv.org/abs/1512.03635
Publikováno v:
Phys. Rev. Lett. 116, 115701 (2016)
Renormalization-group theory stands, since over 40 years, as one of the pillars of modern physics. As such, there should be no remaining doubt regarding its validity. However, finite-size scaling, which derives from it, has long been poorly understoo
Externí odkaz:
http://arxiv.org/abs/1511.04321