Search Results - "Ivanov, Nedko B"

Heat capacity reveals the physics of a frustrated spin tube by Ivanov, Nedko B, Schnack, Jürgen, Schnalle, Roman, Richter, Johannes, Kögerler, Paul, Newton, Graham N, Cronin, Leroy, Oshima, Yugo, Nojiri, Hiroyuki

“…We report on theoretical and experimental results concerning the low-temperature specific heat of the frustrated spin-tube material [(CuCl(2)tachH(3)Cl]Cl(2)…”
Get full text

Alternating-spin S = 3/2 and σ = 1/2 Heisenberg chain with isotropic three-body exchange interactions by Ivanov, Nedko B., Petrova, Svetozara I., Schnack, Jürgen

“…The promotion of collinear classical spin configurations as well as the enhanced tendency towards nearest-neighbor clustering of the quantum spins are typical…”
Get full text

Phase diagram of the alternating-spin Heisenberg chain with extra isotropic three-body exchange interactions by Ivanov, Nedko B., Ummethum, Jörg, Schnack, Jürgen

“…For the time being isotropic three-body exchange interactions are scarcely explored and mostly used as a tool for constructing various exactly solvable…”
Get full text

Alternating-spin S = 3/2 and [sigma] = 1/2 heisenberg chain with isotropic three-body exchange interactions by Ivanov, Nedko B, Petrova, Svetozara I, Schnack, Jurgen

“…The promotion of collinear classical spin configurations as well as the enhanced tendency towards nearest-neighbor clustering of the quantum spins are typical…”
Get full text

Marshall-Peierls sign rule for excited states of the frustrated J1− J2 Heisenberg antiferromagnet by Voigt, Andreas, Richter, Johannes, Ivanov, Nedko B.

“…We present analytical and numerical calculations for some excited states of the frustrated J 1− J 2 spin- 1 2 Heisenberg model for linear chains and square…”
Get full text