Publications

2018

Volker Perlick, Oleg Yu. Tsupko, Gennady S. Bisnovatyi-Kogan
Black hole shadow in an expanding universe with a cosmological constant
Phys. Rev. D 97, 104062, (2018)

Stefanie Schneider, Volker Perlick
The shadow of a collapsing dark star
Gen. Rel. Grav. 50, 58 (2018)

L. G. Collodel, B. Kleihaus and J. Kunz
Static Orbits in Rotating Spacetimes
Phys. Rev. Lett. 120 (2018) 201103
arXiv:1711.05191 [gr-qc]

X. Y. Chew, B. Kleihaus and J. Kunz
Spinning Wormholes in Scalar-Tensor Theory
Phys. Rev.  D 97  (2018) no.6, 064026
arXiv:1802.00365 [gr-qc] 

J. Grover, J. Kunz, P. Nedkova, A. Wittig and S. Yazadjiev
Multiple shadows from distorted static black holes
Phys. Rev. D  97 (2018) no.8, 084024
arXiv:1802.03062 [gr-qc]

O. Lechtenfeld and G. Zhilin
A new construction of rational electromagnetic knots
arXiv:1711.11144 [hep-th]
Phys. Lett A, to appear.

N. Kozyrev, S. Krivonos, O. Lechtenfeld, A. Nersessian, and A. Sutulin
N=4 supersymmetric mechanics on curved spaces
arXiv:1711.08734 [hep-th]
Phys. Rev.D, to appear.

E. Castellanos, J. C. Degollado, C. Lämmerzahl, A. Macías, and V. Perlick
Bose-Einstein condensates in charged black-hole spacetimes
J. Cosm. Astropart. Phys. 2018, 043 (2018)

V. Dzhunushaliev, V. Folomeev, B. Kleihaus and J. Kunz
Dispersion relations for gravitational waves in different models of dark energy, 
Int. J. Mod. Phys. D26 (2017) 1750157

S. Grunau, H. Neumann, and S. Reimers
Geodesic motion in the five-dimensional Myers-Perry-AdS spacetime 
Phys. Rev. D 97, 044011 (2018)
doi:10.1103/PhysRevD.97.044011

C. Hoffmann, T. Ioannidou, S. Kahlen, B. Kleihaus, and J. Kunz,
Wormholes Immersed in Rotating Matter,
Phys. Lett. B 778 (2018) 161
doi:10.1016/j.physletb.2018.01.021
arXiv:1712.02143 [gr-qc]

V. Dzhunushaliev, V. Folomeev, B. Kleihaus, and J. Kunz,
Wormhole solutions with a complex ghost scalar field and their instability,
Phys. Rev. D 97 (2018) no.2, 024002
doi:10.1103/PhysRevD.97.024002
arXiv:1710.01884 [gr-qc]

S. Fedoruk, E. Ivanov, O. Lechtenfeld, and S. Sidorov
Quantum SU(2|1) supersymmetric Calogero-Moser spinning systems
arXiv:1801.00206 [hep-th]

N. Kozyrev, S. Krivonos, O. Lechtenfeld, and A. Sutulin
SU(2|1) supersymmetric mechanics on curved spaces
arXiv:1712.09898 [hep-th]

2017

L. G. Collodel, J. Kunz, B. Kleihaus
Excited Boson Stars
Phys. Rev. D 96, 084066 (2017)

Z. A. Motahar, J. L. Blazquez-Salcedo, B. Kleihaus and J. Kunz
Scalarization of neutron stars with realistic equations of state
Phys. Rev. D 96, 064046 (2017)

J. L. BlazquezSalcedo, F. S. Khoo, and J. Kunz
Quasinormal modes of Einstein-Gauss-Bonnet-dilaton black holes
Phys. Rev. D 96, 064008 (2017)

H. Zhang, M. Zhou, C. Bambi, B. Kleihaus, J. Kunz, and E. Radu
Testing Einstein-dilaton-Gauss-Bonnet gravity from the reflection spectrum of accreting black holes
Phys. Rev. D 95 (2017) 104043

N. Kozyrev, S. Krivonos, O. Lechtenfeld, A. Nersessian, and A. Sutulin
Curved WDVV equation and N=4 mechanics
arXiv:1710.00884 [hep-th]
Phys. Rev. D 96 (2017) 101702

T. A. Ivanova, O. Lechtenfeld, and A. D. Popov
Finite-action solutions of Yang-Mills equations on de Sitter dS4 and anti-de Sitter AdS4 spaces arXiv:1708.06361 [hep-th]
JHEP 1711 (2017) 017

J. C. Geipel, O. Lechtenfeld, A. D. Popov, and R. J. Szabo
Sasakian quiver gauge theories and instantons on cones over round and squashed seven-spheres arXiv:1706.07383 [hep-th]

C. Hoffmann, T. Ioannidou, S. Kahlen, B. Kleihaus, and J. Kunz
Spontaneous Symmetry Breaking in Wormholes Spacetimes with Matter
Phys. Rev. D 95 (2017) 084010

V. Dzhunushaliev, V. Folomeev, B. Kleihaus and J. Kunz
Dispersion relations for gravitational waves in different models of dark energy, 
Int. J. Mod. Phys. D26 (2017) 1750157

L. G. Collodel, B. Kleihaus, and J. Kunz
Excited Boson Stars
Phys. Rev. D 96 (2017) no.8, 084066
doi:10.1103/PhysRevD.96.084066
arXiv:1708.02057 [gr-qc]

S. Kumar, U. Kulshreshtha, D. S. Kulshreshtha, S. Kahlen, and J. Kunz
Some new results on charged compact boson stars
Phys. Lett. B 772 (2017) 615
doi:10.1016/j.physletb.2017.07.041
arXiv:1709.09445 [hep-th]

J. L. Blázquez-Salcedo, F. S. Khoo, and J. Kunz
Quasinormal modes of Einstein-Gauss-Bonnet-dilaton black holes
Phys. Rev. D 96 (2017) no.6, 064008
doi:10.1103/PhysRevD.96.064008
arXiv:1706.03262 [gr-qc]

B. Kleihaus and J. Kunz
Rotating Wormholes
Fundam. Theor. Phys. 189 (2017) 35
doi:10.1007/978-3-319-55182-1_3

Z. Altaha Motahar, J. L. Blázquez-Salcedo, B. Kleihaus and J. Kunz,
Scalarization of neutron stars with realistic equations of state
Phys. Rev. D 96, no. 6, 064046 (2017)
arXiv:1707.05280

K. Schulze-Koops, V. Perlick, and D. Schwarz
Sachs equations for light bundles in a cold plasma
Class. Quantum Grav. 34, 215006 (2017)
arXiv.org/abs/1705.04810

V. Witzany and C. Lämmerzahl
Pseudo-Newtonian equations for evolution of particles and fluids in stationary space-times
Astrophys. J. 105, 841 (2017)
arxiv.org/abs/1601.01034

C. Markakis, K. Uryü, E. Gourgoulhon, J. P. Nicolas, N. Andersson, A. Pouri, and V. Witzany 
Conservation laws and evolution schemes in geodesic, hydrodynamic, and magnetohydrodynamic flows
Phys. Rev. D, 96, 064019 (2017)
arxiv.org/abs/1612.09308

K. Schroven, E. Hackmann, C. Lämmerzahl
Relativistic dust accretion of charged particles in Kerr-Newman spacetime
Phys. Rev. D 96, 063015 (2017)
arxiv.org/abs/1705.08166

C. Hoffmann, E. G. Charalampidis, D. J. Frantzeskakis, and P. G. Kevrekidis,
Extreme events in near integrable lattices
arXiv:1710.04899

D. Philipp, V. Perlick, D. Puetzfeld, E. Hackmann, and C. Lämmerzahl 
Definition of the relativistic geoid in terms of isochronometric surfaces 
Phys. Rev. D 95, no. 10, 104037 (2017)
arXiv:1702.08412 [gr-qc]

V. Perlick and O. Y. Tsupko,
Light propagation in a plasma on Kerr spacetime: Separation of the Hamilton-Jacobi equation and calculation of the shadow 
Phys. Rev. D 95, no. 10, 104003 (2017)
arXiv:1702.08768 [gr-qc]

S. Lahiri 
Anisotopic inflation with a non-abelian gauge field in Gauss-Bonnet gravity
JCAP 1701, no. 01, 022 (2017)
arXiv:1611.03037 [hep-th]

F. Correa and O. Lechtenfeld
PT deformation of angular Calogero models
arXiv:1705.05425 [hep-th]

T. A. Ivanova, O. Lechtenfeld, and A. D. Popov
Solutions to pure Yang-Mills theory on four-dimensional de Sitter space
arXiv:1704.07456 [hep-th]

S. Krivonos, O. Lechtenfeld and A. Sorin
Hidden symmetries of deformed oscillators
arXiv:1612.07832 [hep-th] 

O. Lechtenfeld and A. D. Popov
Superstring limit of Yang-Mills theories
Phys. Lett. B 762 (2016) 309-314
arXiv:1608.05331 [hep-th]

J. L. Blázquez-Salcedo, J. Kunz, F. Navarro-Lérida, E. Radu
Magnetized solutions in minimal gauged supergravity
Phys. Lett. B 771 (2017) 52
doi:10.1016/j.physletb.2017.05.014
arXiv:1703.04163 [gr-qc]

H. Zhang, M. Zhou, C. Bambi, B. Kleihaus, J. Kunz, E. Radu
Testing Einstein-dilaton-Gauss-Bonnet gravity from the reflection spectrum of accreting black holes
Apr 14, 2017. 10 pp., Phys. Rev. D 95, 104043
arXiv:1704.04426 [gr-qc]

J. Kunz, P. Nedkova, S. Yazadjiev
Magnetized Black Holes in an External Gravitational Field 
Phys. Rev. D 96 (2017) no.2, 024017
doi:10.1103/PhysRevD.96.024017
arXiv:1704.04682 [gr-qc]

C. Hoffmann, T. Ioannidou, S. Kahlen, B. Kleihaus, and J. Kunz
Spontaneous Symmetry Breaking in Wormholes Spacetimes with Matter
Phys. Rev. D 95 (2017) no.8, 084010
doi:10.1103/PhysRevD.95.084010
arXiv:1703.03344 [gr-qc].

V. Dzhunushaliev, V. Folomeev, B. Kleihaus, and J. Kunz
Dispersion relations for gravitational waves in different models of dark energy
Int. J. Mod. Phys. D 26 (2017) no.14, 1750157
doi:10.1142/S0218271817501577
arXiv:1702.00698 [gr-qc]

P. V. P. Cunha, C. A. R. Herdeiro, B. Kleihaus, J. Kunz, and E. Radu
Shadows of Einstein-dilaton-Gauss-Bonnet black holes
Phys. Lett. B 768 (2017) 373
doi:10.1016/j.physletb.2017.03.020

V. Dzhunushaliev, V. Folomeev, B. Kleihaus, and J. Kunz
Extended objects in nonperturbative quantum field theory and the cosmological constant
Int. J. Mod. Phys. D 26, 1750074 (2017)
arXiv:1512.03096 [gr-qc].

2016

D. Kunst, T. Ledvinka, G. Lukes-Gerakopoulos, and J. Seyrich
Comparing Hamiltonians of a spinning test particle for different tetrad fields 
Phys. Rev. D 93, no. 4, 044004 (2016)
arXiv:1506.01473 [gr-qc]

J. Vines, D. Kunst, J. Steinhoff, and T. Hinderer
Canonical Hamiltonian for an extended test body in curved spacetime: To quadratic order in spin
Phys. Rev. D 93, no. 10, 103008 (2016)
arXiv:1601.07529 [gr-qc]

G. O. Schellstede, V. Perlick, and C. Lämmerzahl
On causality in nonlinear vacuum electrodynamics of the Pleba?ski class
Annalen Phys. 528, no. 9-10, 738 (2016)
arXiv:1604.02545 [gr-qc]

S. Lahiri
Anisotropic inflation in Gauss-Bonnet gravity
JCAP 1609, no. 09, 025 (2016)
arXiv:1605.09247 [hep-th]

P. Jefremov and V. Perlick
Circular motion in NUT space-time
Class. Quant. Grav. 33, no. 24, 245014 (2016)
arXiv:1608.06218 [gr-qc]

O. Y. Tsupko, G. S. Bisnovatyi-Kogan, and P. Jefremov,
Parameters of Innermost Stable Circular Orbits of Spinning Test Particles: Numerical and Analytical Calculations
Grav. Cosmol. 22, no. 2, 138 (2016)
arXiv:1605.04189 [gr-qc]

L. Gabriel Gomez, C. R. Arguelles, V. Perlick, J. A. Rueda, and R. Ruffini
Strong lensing by fermionic dark matter in galaxies
Phys. Rev. D 94, 123004 (2016)
arXiv:1610.03442 [astro-ph.GA]

D. Puetzfeld and Y. N. Obukhov 
Generalized deviation equation and determination of the curvature in General Relativity
Phys. Rev. D 93, no. 4, 044073 (2016)
arXiv:1511.08465 [gr-qc]

Y. N. Obukhov and D. Puetzfeld 
Dynamics of test bodies in scalar-tensor theory and equivalence principle 
arXiv:1603.09106 [gr-qc]

V. Dzhunushaliev, V. Folomeev, B. Kleihaus, and J. Kunz,
Can mixed star-plus-wormhole systems mimic black holes?
JCAP 08 (2016) 030
arXiv:1601.04124 [gr-qc].

B. Kleihaus, J. Kunz, S. Mojica and M. Zagermann
Rapidly Rotating Neutron Stars in Dilatonic Einstein-Gauss-Bonnet Theory
Phys. Rev. D 93 (2016) 064077
arXiv:1601.05583 [gr-qc].

B. Kleihaus, J. Kunz, and E. Radu
Charged, rotating black objects in Einstein-Maxwell-dilaton theory in D > 5
Entropy 18 (2016) 187
arXiv:1605.05756 [gr-qc].

B. Kleihaus, J. Kunz and F. Navarro-Lérida
Rotating black holes with non-Abelian hair,
Class. Quantum Grav. 33 (2016) 234002
arXiv:1609.07357 [hep-th].

J. L. Blázquez-Salcedo, J. Kunz, F. Navarro-Lérida, and E. Radu
Charged rotating black holes in Einstein-Maxwell-Chern-Simons theory with negative cosmological constant
Phys. Rev. D 95 (2017) no.6, 064018
doi:10.1103/PhysRevD.95.064018
arXiv:1610.05282 [gr-qc]

J. L. Blázquez-Salcedo, J. Kunz, F. Navarro-Lérida and E. Radu,
Static Einstein Maxwell Magnetic Solitons and Black Holes in an Odd Dimensional AdS Spacetime,
Entropy 18 (2016) 438
arXiv:1612.03747 [gr-qc].

X. Y. Chew, B. Kleihaus, and J. Kunz
Geometry of Spinning Ellis Wormholes
Phys. Rev. D 94 (2016) 104031
arXiv:1608.05253 [gr-qc].

J. L. Blázquez-Salcedo, C. F. B. Macedo, V. Cardoso, V. Ferrari, L. Gualtieri, F. S. Khoo, J. Kunz and P. Pani
Perturbed black holes in Einstein-dilaton-Gauss-Bonnet gravity: stability, ringdown, and gravitational-wave emission,
Phys. Rev. D 94 (2016) 104024
arXiv:1609.01286 [gr-qc].

M. Zhou, A. Cardenas-Avendano, C. Bambi, B. Kleihaus, and J. Kunz
Search for astrophysical rotating Ellis wormholes with X-ray re ection spectroscopy,
Phys. Rev. D 94 (2016) 024036
arXiv:1603.07448 [gr-qc].

S. Krivonos, O. Lechtenfeld and A. Sorin
Minimal realization of l-conformal Galilei algebra, Pais-Uhlenbeck oscillators and their deformation 
JHEP 1610 (2016) 078
arXiv:1607.03756 [hep-th]
DOI: 10.1007/JHEP10(2016)078

K. Flathmann and S. Grunau, 
Analytic solutions of the geodesic equation for U(1)^2 dyonic rotating black holes 
Phys. Rev. D 94, no. 12, 124013 (2016)
DOI: 10.1103/PhysRevD.94.124013
arXiv:1606.06496 [gr-qc]

A. Kubelka-Lange, S. Herrmann, J. Grosse, C. Lämmerzahl, E. M. Rasel, C. Braxmaier                          
A three-layer magnetic shielding for the MAIUS-1 mission on a sounding rocket 
AIP - Review of Scientific Instruments   http://scitation.aip.org/content/aip/journal/rsi/87/6/10.1063/1.4952586 
DOI: 10.1063/1.4952586

A. Grenzebach 
The shadow of black holes 

SpringerBriefs in Physics, Heidelberg: Springer (2016)
http://www.springer.com/in/book/9783319300658
 
DOI: 10.1007.978-3-319-30066-5

O. Lechtenfeld, S. Nampuri 
A Calogero formulation for four-dimensional black-hole microstates

Physics Letters B 753, 263-267(2016) 
arXiv:1509.03256