Publications


[21]

M. Hellmund, “Entanglement and output entropy of the diagonal map,” Quantum Information and Computation 13 (2013) no. 5–6, 379–392, arxiv:1206.6269. [ bib | arXiv ]

[20]

M. Hellmund and A. Uhlmann, “Concurrence and entanglement entropy of stochastic 1-qubit maps,” Physical Review A 79 (2009) 052319, arXiv:0903.1340. [ bib | arXiv ]

[19]

M. Hellmund and A. Uhlmann, “An entropy inequality,” Quantum Information and Computation 9 (2009) no. 7–8, 622–627, arXiv:0812.0906. [ bib | arXiv ]

[18]

M. Hellmund and A. Uhlmann, “Concurrence of stochastic 1-qubit maps,” arXiv:0802.2092. [ bib | arXiv ]

[17]

M. Hellmund and W. Janke, “High-temperature series expansions for the q-state Potts model on a hypercubic lattice and critical properties of percolation,” Physical Review E 74 (2006) 051113, cond-mat/0607423. [ bib | arXiv ]

[16]

M. Hellmund and W. Janke, “High-temperature series for the bond-diluted Ising model in 3, 4 and 5 dimensions,” Physical Review B 74 (2006) 144201, cond-mat/0606320. [ bib | arXiv ]

[15]

M. Hellmund and W. Janke, “High-temperature series expansions for random Potts models,” Condens. Matter Phys. 8 (2005) 59, cond-mat/0502152. [ bib | arXiv ]

[14]

M. Hellmund and W. Janke, “Star-graph expansions for bond-diluted Potts models,” Physical Review E 67 (2003) 026118, cond-mat/0206400. [ bib | arXiv ]

[13]

M. Bordag, M. Hellmund, and K. Kirsten, “Dependence of the vacuum energy on spherically symmetric background fields,” Phys. Rev. D61 (2000) 085008, hep-th/9905204. 9 pages. [ bib | arXiv ]

[12]

U. Girlich and M. Hellmund, “Interaction dependence of composite fermion effective masses,” Phys. Rev. B55 (1997) 15372, cond-mat/9612019. [ bib | arXiv ]

[11]

J. Dziarmaga and M. Hellmund, “Unpolarized quasielectrons and the spin polarization at filling fractions between 1/3 and 2/5,” Phys. Rev.  B56 (1997) 12116, cond-mat/9709088. [ bib | arXiv ]

[10]

J. Gladikowski and M. Hellmund, “Static solitons with non-zero Hopf number,” Phys. Rev. D56 (1997) 5194–5199, hep-th/9609035. [ bib | arXiv ]

[9]

J. Dziarmaga and M. Hellmund, “Transition from ν=8/5 to ν=5/3 in the low Zeeman energy limit,” cond-mat/9612114. [ bib | arXiv ]

[8]

U. Girlich and M. Hellmund, “A comparison of FQHE quasi electron trial wave functions on the sphere,” Phys. Rev. B49 (1994) 17488–17491, cond-mat/9403090. [ bib | arXiv ]

[7]

M. Hellmund, J. Kripfganz, and M. G. Schmidt, “Sphaleron effects near the critical temperature,” Phys. Rev. D50 (1994) 7650–7658, hep-ph/9307284. [ bib | arXiv ]

[6]

M. Hellmund and J. Kripfganz, “The decay of the sphaleron,” Nucl. Phys. B373 (1992) 749–760. [ bib | .pdf ]

[5]

M. Hellmund and J. Kripfganz, “Multiloop free energy of the heterotic string near the Hagedorn temperature,” Phys. Lett. B241 (1990) 211. [ bib | .pdf ]

[4]

M. Hellmund and J. Kripfganz, “Background field equations for the heterotic string at finite temperature,” Phys. Lett. B223 (1989) 67. [ bib | .pdf ]

[3]

M. Hellmund, “A lattice calculation in (1+1)-dimensional QCD by the Hamiltonian ensemble projector Monte Carlo method,” Phys. Lett. B166 (1986) 214. [ bib | .pdf ]

[2]

M. Hellmund, “Test of a Hamiltonian variational method for SU(3) lattice gauge theory in (3+1)-dimensions,” J. Phys. G10 (1984) 859. [ bib | .pdf ]

[1]

M. Hellmund and G. Ranft, “Gauge vector boson pair production at anti-p p collider energies,” Zeit. Phys. C12 (1982) 333. [ bib | .pdf ]