Add to ORKGThe number-theoretical spin chain has exactly one phase transition, which is located at inverse temperature #beta#_c_r = 2. There the magnetization jumps from one to zero. The energy density, being zero in the low temperature phase, grows at least linearly in #beta#_c_r-#beta#. (orig.)Available from TIB Hannover: RR 1596(172) / FIZ - Fachinformationszzentrum Karlsruhe / TIB - Technische InformationsbibliothekSIGLEDEGerman
The ground‐state energy of a spin‐density wave of wave vector Q in a Heisenberg ferromagnet with com...
Comparing high-resolution specific heat and thermal expansion measurements to exact finite-size diag...
The behavior of a single, flexible polymer chain near the Flory temperature Θ is analysed in analogy...
We analyze the Farey spin chain, a one dimensional spin system with effective interaction d...
In a magnetic field, spin-ladders undergo two zero-temperature phase transitions at the critical fie...
Using the Ising Model, the phase transition between ferromagnetic and paramagnetic phases of a 2-D s...
We analyze the number-theoretical spin chain with partition function Z(#beta#) = #zeta#(#beta#-1)/#z...
The influence of the nonlinearity of the spin equations of motion on the dynamic structure factor of...
By using random matrix models, we uncover a connection between the low-energy sector of four-dimensi...
We consider an alternating Heisenberg spin-1/2 antiferromagnetic–ferromagnetic chain with the space-...
This thesis contains two results for the low temperature behavior of quantum spin systems. ...
We investigate the phase diagram of the Heisenberg antiferromagnet on the square lattice with two di...
We develop a novel approach to phase transitions in quantum spin models based on a relation to their...
The thermodynamics of the classical frustrated spin chain near the transition point between the ferr...
A long-range interacting spin chain placed in a staggered magnetic field can exhibit either first or...
The ground‐state energy of a spin‐density wave of wave vector Q in a Heisenberg ferromagnet with com...
Comparing high-resolution specific heat and thermal expansion measurements to exact finite-size diag...
The behavior of a single, flexible polymer chain near the Flory temperature Θ is analysed in analogy...
We analyze the Farey spin chain, a one dimensional spin system with effective interaction d...
In a magnetic field, spin-ladders undergo two zero-temperature phase transitions at the critical fie...
Using the Ising Model, the phase transition between ferromagnetic and paramagnetic phases of a 2-D s...
We analyze the number-theoretical spin chain with partition function Z(#beta#) = #zeta#(#beta#-1)/#z...
The influence of the nonlinearity of the spin equations of motion on the dynamic structure factor of...
By using random matrix models, we uncover a connection between the low-energy sector of four-dimensi...
We consider an alternating Heisenberg spin-1/2 antiferromagnetic–ferromagnetic chain with the space-...
This thesis contains two results for the low temperature behavior of quantum spin systems. ...
We investigate the phase diagram of the Heisenberg antiferromagnet on the square lattice with two di...
We develop a novel approach to phase transitions in quantum spin models based on a relation to their...
The thermodynamics of the classical frustrated spin chain near the transition point between the ferr...
A long-range interacting spin chain placed in a staggered magnetic field can exhibit either first or...
The ground‐state energy of a spin‐density wave of wave vector Q in a Heisenberg ferromagnet with com...
Comparing high-resolution specific heat and thermal expansion measurements to exact finite-size diag...
The behavior of a single, flexible polymer chain near the Flory temperature Θ is analysed in analogy...