# Publications

## 2017

- M. Cheng, T. Chowdhury, A. Mohammed, and Kevin Ingersent

*Phase boundaries of power-law Anderson and Kondo models: A poor man's scaling study*

Phys. Rev. B 96, 045103 – Published 5 July 2017.

## 2016

- N. Kwidzinski and R. Bulla

*The classical harmonic chain: solution via Laplace transforms and continued fractions*

arXiv:1608.00616.

## 2015

- A.K. Mitchell and R. Bulla

*Validity of the local self-energy approximation: Application to coupled quantum impurities*

Phys. Rev. B**92**, 155101 (2015). - M. Vojta, R. Bulla and P. Wölfle

*Critical quasiparticles in single-impurity and lattice Kondo models*

Eur. Phys. J. Special Topics**224**, 1127 (2015).

## 2014

- A.K. Mitchell, M.R. Galpin, S. Wilson-Fletcher, D.E. Logan, and R. Bulla

*Generalized Wilson chain for solving multichannel quantum impurity problems*

Phys. Rev. B**89**, 121105(R) (2014).

## 2013

- A.K. Mitchell, M. Vojta, R. Bulla, and L. Fritz

*Quantum phase transitions and thermodynamics of the power-law Kondo model*

Phys. Rev. B**88**, 195119 (2013).

## 2012

- R. Bulla

*The Numerical Renormalization Group*

Chapter 12 in

Correlated Electrons: From Models to Materials - Lecture Notes of the Autumn School Correlated Electrons 2012

Eva Pavarini, Erik Koch, Frithjof Anders, and Mark Jarrell (eds.), Correlated Electrons: From Models to Materials, Modeling and Simulation, Vol. 2, Verlag des Forschungszentrum Jülich, 2012.

- A.K. Mitchell and E .Sela

*Universal low-temperature crossover in two-channel Kondo models*

Phys. Rev. B**85**, 235127 (2012). - E. Sela and A.K. Mitchell

*Local Magnetization in the Boundary Ising Chain at Finite Temperature*

J. Phys. Stat. Mech. P04006 (2012). - A.K. Mitchell, E. Sela, and D.E. Logan

*Two-channel Kondo physics in two-impurity Kondo models*

Phys. Rev. Lett.**108**, 086405 (2012).

## 2011

- A.K. Mitchell, M. Becker, and R. Bulla

*Real-space renormalization group flow in quantum impurity systems: Local moment formation and the Kondo screening cloud*

Phys. Rev. B**84**, 115120 (2011). - A.K. Mitchell, D.E. Logan, and H.R. Krishnamurthy

*Two-channel Kondo physics in odd impurity chains*

Phys. Rev. B**84**, 035119 (2011). - E. Sela, A.K. Mitchell, and L. Fritz

*Exact crossover Green function in the two-channel and two-impurity Kondo models*

Phys. Rev. Lett.**106**, 147202 (2011).

## 2010

- S. Tornow, R. Bulla, F.B. Anders, and G. Zwicknagl

*Multiple-charge transfer and trapping in DNA dimers*

Phys. Rev.**82**, 195106 (2010).

- R. Bulla

*Correlated electrons in a dissipative environment*

Eur. Phys. J. Special Topics**180**, 153 (2010).

- H.-J. Lee, K. Byczuk, and R. Bulla

*Numerical renormalization group for the bosonic single-impurity Anderson model: Dynamics*

Phys. Rev. B**82**, 054516 (2010).

- M. Vojta, L. Fritz, and R. Bulla

*Gate-controlled Kondo screening in graphene: Quantum criticality and electron-hole asymmetry*

Europhys. Lett.**90**, 27006 (2010).

- M. Vojta, R. Bulla, F. Güttge, and F. Anders

*The mass-flow error in the Numerical Renormalization Group method and the critical behavior of the sub-ohmic spin-boson model*

Phys. Rev. B**81**, 075122 (2010).

- A.K. Mitchell and D.E. Logan

*Two-channel Kondo phases and frustration-induced transitions in triple quantum dots*

Phys. Rev. B**81**, 075126 (2010).

## 2009

- A. Winter, H. Rieger, M. Vojta, and R. Bulla

*The quantum phase transition in the sub-ohmic spin-boson model: Quantum Monte-Carlo study with a continuous imaginary time cluster algorithm*

Phys. Rev. Lett.**102**, 030601 (2009).

- A.K. Mitchell, T.F. Jarrold, and D.E. Logan

*Quantum phase transition in quantum dot trimers*

Phys. Rev. B 79, 085124 (2009).

## 2008

- S. Tornow, R. Bulla, F. B. Anders, and A. Nitzan

*Dissipative two-electron transfer: A numerical renormalization group study*

Phys. Rev. B**78**, 035434 (2008).

- T. Hecht, A. Weichselbaum, J. von Delft, and R. Bulla

*Numerical renormalization group calculation of near-gap peaks in spectral functions of the Anderson model with superconducting leads*

J. Phys.: Condens. Matter**20**, 275213 (2008).

- R. Bulla, S. Tornow, and F. Anders

*Electronic Correlations in Electron Transfer Systems*

Adv. Solid State Phys.**47**, 69 (2008).

- R. Bulla, T.A. Costi, and Th. Pruschke

*Numerical renormalization group method for quantum impurity systems*

Rev. Mod. Phys.**80**, 395 (2008).

For a comprehensive list of R. Bulla's publications, click here.