R. Bulla

University of Cologne — Germany

Physics and Astronomy · Physical Sciences

30h-index5.1kcitations81works0.02yr avg
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Research Topics

Physics of Superconductivity and Magnetism(58), Quantum and electron transport phenomena(52), Rare-earth and actinide compounds(21), Advanced Condensed Matter Physics(12), Theoretical and Computational Physics(7)

Publications81 total

Competition between Kondo physics and Kitaev physics in Kitaev clusters coupled to a fermionic bath
Physical review. B./Physical review. B·2020· 4 citedOpen Access
The classical harmonic chain: solution via Laplace transforms and continued fractions
arXiv (Cornell University)·2016· 1 citedOpen Access
Validity of the local self-energy approximation: Application to coupled quantum impurities
Physical Review B·2015· 14 citedOpen Access
Critical quasiparticles in single-impurity and lattice Kondo models
The European Physical Journal Special Topics·2015· 9 citedOpen Access
Generalized Wilson chain for solving multichannel quantum impurity problems
Physical Review B·2014· 69 citedOpen Access
Quantum phase transitions and thermodynamics of the power-law Kondo model
Physical Review B·2013· 24 citedOpen Access
Real-space renormalization group flow in quantum impurity systems: Local moment formation and the Kondo screening cloud
Physical Review B·2011· 65 citedOpen Access
Multiple-charge transfer and trapping in DNA dimers
Physical Review B·2010· 5 citedOpen Access
Numerical renormalization group for the bosonic single-impurity Anderson model: Dynamics
Physical Review B·2010· 8 citedOpen Access
Gate-controlled Kondo screening in graphene: Quantum criticality and electron-hole asymmetry
Europhysics Letters (EPL)·2010· 75 citedOpen Access
Mass-flow error in the numerical renormalization-group method and the critical behavior of the sub-Ohmic spin-boson model
Physical Review B·2010· 41 citedOpen Access
Correlated electrons in a dissipative environment
The European Physical Journal Special Topics·2009
Erratum: Quantum Phase Transitions in the Sub-Ohmic Spin-Boson Model: Failure of the Quantum-Classical Mapping [Phys. Rev. Lett.<b>94</b>, 070604 (2005)]
Physical Review Letters·2009· 42 citedOpen Access
Quantum Phase Transition in the Sub-Ohmic Spin-Boson Model: Quantum Monte Carlo Study with a Continuous Imaginary Time Cluster Algorithm
Physical Review Letters·2009· 154 citedOpen Access
Dissipative two-electron transfer: A numerical renormalization group study
Physical Review B·2008· 23 citedOpen Access
Numerical renormalization group calculation of near-gap peaks in spectral functions of the Anderson model with superconducting leads
Journal of Physics Condensed Matter·2008· 55 citedOpen Access
Numerical renormalization group method for quantum impurity systems
Reviews of Modern Physics·2008· 1.4k citedOpen Access
Electronic Correlations in Electron Transfer Systems
Advances in Solid State Physics·2008· 2 cited
Interplay of the Kondo effect and ferromagnetism in single-molecule spintronic devices
2008
Zero-Temperature Magnetic Transition in an Easy-Axis Kondo Lattice Model
Physical Review Letters·2007· 34 citedOpen Access
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Frequent Co-authors

Matthias Vojta(14), A. C. Hewson(8), Th. Pruschke(7), Ning-Hua Tong(6), Andrew K. Mitchell(4), Thomas Pruschke(3), Frithjof B. Anders(3), Jan von Delft(3), Yūichi Ono(3), J. K. Freericks(3), Thomas Devereaux(3), T. A. Costi(2), D. Vollhardt(2), Hyunjung Lee(2), Walter Hofstetter(2), J. Martinek(2), M. Sindel(2), L. Borda(2), Jürgen König(2), Gerd Schön(2)