Nedko  B.  Ivanov
Nedko B. Ivanov
Professor of Physics, ISSP, Bulgarian Academy of Sciences
Email verificata su physik.uni-bielefeld.de
Titolo
Citata da
Citata da
Anno
On the violation of Marshall-Peierls sign rule in the frustrated J1-J2 Heisenberg antiferromagnet
J Richter, NB Ivanov, K Retzlaff
EPL (Europhysics Letters) 25 (7), 545, 1994
831994
Competition between plaquette and dimer phases in Heisenberg chains
NB Ivanov, J Richter
Physics Letters A 232 (3-4), 308-312, 1997
661997
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
651998
Spin-wave series for quantum one-dimensional ferrimagnets
NB Ivanov
Physical Review B 57 (22), R14024, 1998
591998
Frustrated quantum Heisenberg ferrimagnetic chains
NB Ivanov, J Richter, U Schollwöck
Physical Review B 58 (21), 14456, 1998
471998
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
462010
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
452002
Spin models of quasi-1D quantum ferrimagnets with competing interactions
NB Ivanov
Condensed Matter Physics 12 (3), 435-447, 2009
412009
Diamond chains with multiple-spin exchange interactions
NB Ivanov, J Richter, J Schulenburg
Physical Review B 79 (10), 104412, 2009
382009
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
371996
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
362012
Frustrated two-dimensional quantum Heisenberg antiferromagnet at low temperatures
NB Ivanov, PC Ivanov
Physical Review B 46 (13), 8206, 1992
351992
Phase diagram of a frustrated mixed-spin ladder with diagonal exchange bonds
NB Ivanov, J Richter
Physical Review B 69 (21), 214420, 2004
342004
Magnon dispersions in quantum Heisenberg ferrimagnetic chains at zero temperature
NB Ivanov
Physical Review B 62 (5), 3271, 2000
332000
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
281994
Antiferromagnetic sawtooth chain with spin- and spin- sites
VR Chandra, D Sen, NB Ivanov, J Richter
Physical Review B 69 (21), 214406, 2004
242004
Collective excitations in ferrimagnetic Heisenberg ladders
NB Ivanov, J Richter
Physical Review B 63 (14), 144429, 2001
192001
Analysis of the ground-state wave function of theJ1-J2 quantum Heisenberg antiferromagnet
K Retzlaff, J Richter, NB Ivanov
Zeitschrift für Physik B Condensed Matter 93 (1), 21-31, 1993
191993
Spin-wave results for the XXZ triangular antiferromagnet with next-nearest-neighbor couplings
NB Ivanov
Physical Review B 47 (14), 9105, 1993
131993
Marshall-Peierls sign rule for excited states of the frustrated J1− J2 Heisenberg antiferromagnet
A Voigt, J Richter, NB Ivanov
Physica A: Statistical Mechanics and its Applications 245 (3-4), 269-275, 1997
111997
Il sistema al momento non può eseguire l'operazione. Riprova più tardi.
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