Universität zu Köln

2020

Chowdhury, Tathagata, Rosch, Achim ORCID: 0000-0002-6586-5721 and Bulla, Ralf (2020). Competition between Kondo physics and Kitaev physics in Kitaev clusters coupled to a fermionic bath. Phys. Rev. B, 101 (11). COLLEGE PK: AMER PHYSICAL SOC. ISSN 2469-9969

2015

Mitchell, Andrew K. and Bulla, Ralf (2015). Validity of the local self-energy approximation: Application to coupled quantum impurities. Phys. Rev. B, 92 (15). COLLEGE PK: AMER PHYSICAL SOC. ISSN 1550-235X

2014

Mitchell, Andrew K., Galpin, Martin R., Wilson-Fletcher, Samuel, Logan, David E. and Bulla, Ralf (2014). Generalized Wilson chain for solving multichannel quantum impurity problems. Phys. Rev. B, 89 (12). COLLEGE PK: AMER PHYSICAL SOC. ISSN 1550-235X

2013

Mitchell, Andrew K., Vojta, Matthias ORCID: 0000-0002-5740-831X, Bulla, Ralf and Fritz, Lars (2013). Quantum phase transitions and thermodynamics of the power-law Kondo model. Phys. Rev. B, 88 (19). COLLEGE PK: AMER PHYSICAL SOC. ISSN 1550-235X

2011

Mitchell, Andrew K., Becker, Michael and Bulla, Ralf (2011). Real-space renormalization group flow in quantum impurity systems: Local moment formation and the Kondo screening cloud. Phys. Rev. B, 84 (11). COLLEGE PK: AMER PHYSICAL SOC. ISSN 1098-0121

2010

Tornow, Sabine, Bulla, Ralf, Anders, Frithjof B. and Zwicknagl, Gertrud (2010). Multiple-charge transfer and trapping in DNA dimers. Phys. Rev. B, 82 (19). COLLEGE PK: AMER PHYSICAL SOC. ISSN 2469-9969