Collège Doctoral - Doktorandenkollegien

Statistical Physics of Complex Systems

Coventry - Leipzig - Lviv - Nancy

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Former student

Personal data:


Sandro Wenzel

Leipzig

sandro DOT wenzel AT itp DOT uni-leipzig DOT de



Research interest:

I am interested in Monte Carlo simulations applied to classical and quantum systems in equilibrium.
On the classical side I was recently investigating percolation phenomena of vortices in the 3D Abelian Higgs Model, which is one of the simplest gauge field theories.
My other main interests are Quantum Phase Transitions in 2D quantum magnets with competing interactions, which I study using Quantum Monte Carlo techniques.

Thesis advisor(s):

Wolfhard Janke

Thesis title:

Quantum Monte Carlo simulations of 2D quantum spin systems

List of publications:

[9] Re-examining the Directional-Ordering Transition in the Compass Model with Screw-Periodic Boundary Conditions
Wenzel S., Janke W., Läuchli A.
Phys. Rev. E 81 (2010) 066702-1–9
[8] Finite-Temperature Néel Ordering of Fluctuations in a Plaquette Orbital Model
Wenzel S., Janke W.
Phys. Rev. B 80 (2009) 054403-1-6
[7] Comprehensive quantum Monte Carlo study of the quantum critical points in planar dimerized Heisenberg models
Wenzel S., Janke W.
Phys. Rev. B 79 (2009) 014410-1-11
[6] Monte Carlo investigations of low-dimensional classical and quantum spin systems: Unconventional criticality and orbital ordering
Wenzel S.
PhD thesis, Leipzig (2009)
[5] Evidence of an Unconventional Universality Class from a 2D Dimerized Heisenberg model
Wenzel S., Bogacz L., Janke W.
Phys. Rev. Lett. 101 (2008) 127202
[4] Monte Carlo simulations of the directional-ordering transition in the two-dimensional classical and quantum compass model
Wenzel S., Janke W.
Phys. Rev. B 78 (2008) 064402
[3] Percolation of Vortices in the 3D Abelian Lattice Higgs Model
Wenzel S., Bittner E., Janke W., Schakel A.M.J.
Nuclear Physics B 793 (2008) 344-361
[2] Vortex Proliferation and the Dual Superconductor Scenario for Confinement: The 3D Compact U(1) Lattice Higgs Model
Wenzel S., Bittner E., Janke W., Schakel A.M.J., Schiller A.
PoS LAT2005 (2005) 248
[1] Kertesz Line in the Three-Dimensional Compact U(1) Lattice Higgs Model
Wenzel S., Bittner E., Janke W., Schakel A.M.J., Schiller A.
Phys. Rev. Lett. 95 (2005) 051601


Seminars

22/05/2008 Evidence of Unconventional Universality Class in a Two-Dimensional Dimerized Quantum Heisenberg Model
17/09/2007 Finite-Size Scaling of Quantum Phase transitions in 2d Heisenberg models
21/06/2007 Finite-Size Scaling of Topological Transitions in 1D Alternating Bond Spin Chains


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