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Nedko  B.  Ivanov
Nedko B. Ivanov
Professor of Physics, ISSP, Bulgarian Academy of Sciences
Verified email at physik.uni-bielefeld.de
Title
Cited by
Cited by
Year
On the violation of Marshall-Peierls sign rule in the frustrated J1-J2 Heisenberg antiferromagnet
J Richter, NB Ivanov, K Retzlaff
Europhysics Letters 25 (7), 545, 1994
881994
The antiferromagnetic spin-chain with competing dimers and plaquettes: numerical versus exact results
J Richter, NB Ivanov, J Schulenburg
Journal of Physics: Condensed Matter 10 (16), 3635, 1998
741998
Competition between plaquette and dimer phases in Heisenberg chains
NB Ivanov, J Richter
Physics Letters A 232 (3-4), 308-312, 1997
731997
Spin-wave series for quantum one-dimensional ferrimagnets
NB Ivanov
Physical Review B 57 (22), R14024, 1998
621998
Heat capacity reveals the physics of a frustrated spin tube
NB Ivanov, J Schnack, R Schnalle, J Richter, P Kögerler, GN Newton, ...
Physical review letters 105 (3), 037206, 2010
532010
Magnetic phases of the mixed-spin Heisenberg model on a square lattice
NB Ivanov, J Richter, DJJ Farnell
Physical Review B 66 (1), 014421, 2002
482002
Frustrated quantum Heisenberg ferrimagnetic chains
NB Ivanov, J Richter, U Schollwöck
Physical Review B 58 (21), 14456, 1998
481998
Discrete antiferromagnetic spin-wave excitations in the giant ferric wheel Fe
J Ummethum, J Nehrkorn, S Mukherjee, NB Ivanov, S Stuiber, T Strässle, ...
Physical Review B 86 (10), 104403, 2012
472012
Spin models of quasi-1D quantum ferrimagnets with competing interactions
NB Ivanov
Condensed Matter Physics 12 (3), 435-447, 2009
472009
Frustrated two-dimensional quantum Heisenberg antiferromagnet at low temperatures
NB Ivanov, PC Ivanov
Physical Review B 46 (13), 8206, 1992
401992
Diamond chains with multiple-spin exchange interactions
NB Ivanov, J Richter, J Schulenburg
Physical Review B 79 (10), 104412, 2009
382009
Magnon dispersions in quantum Heisenberg ferrimagnetic chains at zero temperature
NB Ivanov
Physical Review B 62 (5), 3271, 2000
362000
Square-lattice Heisenberg antiferromagnet with two kinds of nearest-neighbor regular bonds
NB Ivanov, SE Krüger, J Richter
Physical Review B 53 (5), 2633, 1996
361996
Phase diagram of a frustrated mixed-spin ladder with diagonal exchange bonds
NB Ivanov, J Richter
Physical Review B 69 (21), 214420, 2004
352004
J1-J2 quantum Heisenberg antiferromagnet: improved spin-wave theories versus exact-diagonalization data
NB Ivanov, J Richter
Journal of Physics: Condensed Matter 6 (20), 3785, 1994
301994
Antiferromagnetic sawtooth chain with spin- and spin- sites
VR Chandra, D Sen, NB Ivanov, J Richter
Physical Review B 69 (21), 214406, 2004
272004
Analysis of the ground-state wave function of theJ 1-J 2 quantum Heisenberg antiferromagnet
K Retzlaff, J Richter, NB Ivanov
Zeitschrift für Physik B Condensed Matter 93, 21-31, 1993
211993
Collective excitations in ferrimagnetic Heisenberg ladders
NB Ivanov, J Richter
Physical Review B 63 (14), 144429, 2001
192001
Phase diagram of the alternating-spin Heisenberg chain with extra isotropic three-body exchange interactions
NB Ivanov, J Ummethum, J Schnack
The European Physical Journal B 87, 1-13, 2014
162014
Spin-wave results for the XXZ triangular antiferromagnet with next-nearest-neighbor couplings
NB Ivanov
Physical Review B 47 (14), 9105, 1993
151993
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