Publications by authors named "Ralf Bulla"

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Quantum phase transition in the sub-Ohmic spin-boson model: quantum Monte Carlo study with a continuous imaginary time cluster algorithm.
André Winter, Heiko Rieger, Matthias Vojta, Ralf Bulla

Phys Rev Lett· January 2009

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Zero-temperature magnetic transition in an easy-axis Kondo lattice model.
Jian-Xin Zhu, Stefan Kirchner, Ralf Bulla, Qimiao Si

Phys Rev Lett· November 2007

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Equilibrium and nonequilibrium dynamics of the sub-Ohmic spin-boson model.
Frithjof B Anders, Ralf Bulla, Matthias Vojta

Phys Rev Lett· May 2007

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Dissipative exciton transfer in donor-bridge-acceptor systems: numerical renormalization group calculation of equilibrium properties.
Sabine Tornow, Ning-Hua Tong, Ralf Bulla

J Phys Condens Matter· July 2006

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Quantum phase transitions in the sub-Ohmic spin-boson model: failure of the quantum-classical mapping.
Matthias Vojta, Ning-Hua Tong, Ralf Bulla

Phys Rev Lett· February 2005

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Numerical renormalization group for bosonic systems and application to the sub-ohmic spin-boson model.
Ralf Bulla, Ning-Hua Tong, Matthias Vojta

Phys Rev Lett· October 2003

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