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Université de Fribourg

Alleviating the sign problem in quantum Monte Carlo simulations of spin-orbit-coupled multiorbital Hubbard models

Kim, Aaram J. ; Werner, Philipp ; Valentí, Roser

In: Physical Review B, 2020, vol. 101, no. 4, p. 045108

We present a strategy to alleviate the sign problem in continuous-time quantum Monte Carlo (CTQMC) simulations of the dynamical-mean-field-theory (DMFT) equations for the spin-orbit-coupled multiorbital Hubbard model. We first identify the combinations of rotationally invariant Hund coupling terms present in the relativistic basis which lead to a severe sign problem. Exploiting the fact that...

Consortium of Swiss Academic Libraries

Phenomenological theory of the s-wave state in superconductors without an inversion center

Frigeri, P. A. ; Agterberg, D. F. ; Milat, I. ; Sigrist, M.

In: The European Physical Journal B - Condensed Matter and Complex Systems, 2006, vol. 54, no. 4, p. 435-448

Consortium of Swiss Academic Libraries

Thermodynamic equilibrium calculations in cementitious systems

Lothenbach, Barbara

In: Materials and Structures, 2010, vol. 43, no. 10, p. 1413-1433

Consortium of Swiss Academic Libraries

Nonequilibrium Thermodynamics of the First andSecondKind: AveragesandFluctuations

Öttinger, Hans

In: Journal of Statistical Physics, 2010, vol. 138, no. 6, p. 1067-1083