1-D hydrogen-bonded organization of hexanuclear {3d-4f-5d} complexes: evidence for slow relaxation of the magnetization for [{L Me2 Ni (H 2 O) Ln (H 2 O) 4.5} 2 {W …
S Dhers, S Sahoo, JP Costes, C Duhayon… - …, 2009 - pubs.rsc.org
Heterometallic {3d-4f-5d} aggregates with formula [{LMe2Ni (H2O) Ln (H2O) 4.5} 2 {W (CN)
8} 2]· 15H2O,(LMe2 stands for N, N′-2, 2-dimethylpropylenedi (3 …
8} 2]· 15H2O,(LMe2 stands for N, N′-2, 2-dimethylpropylenedi (3 …
Exact entanglement studies of strongly correlated systems: role of long-range interactions and symmetries of the system
S Sahoo, VMLDP Goli, S Ramasesha… - Journal of Physics …, 2012 - iopscience.iop.org
We study the bipartite entanglement of strongly correlated systems using exact
diagonalization techniques. In particular, we examine how the entanglement changes in the …
diagonalization techniques. In particular, we examine how the entanglement changes in the …
[HTML][HTML] Analytical Solutions of Symmetric Isotropic Spin Clusters Using Spin and Point Group Projectors
S Ghassemi Tabrizi, TD Kühne - Magnetism, 2024 - mdpi.com
Spin models like the Heisenberg Hamiltonian effectively describe the interactions of open-
shell transition-metal ions on a lattice and can account for various properties of magnetic …
shell transition-metal ions on a lattice and can account for various properties of magnetic …
Quantum phases of dimerized and frustrated Heisenberg spin chains with s= 1/2, 1 and 3/2: an entanglement entropy and fidelity study
VMLDP Goli, S Sahoo, S Ramasesha… - Journal of Physics …, 2013 - iopscience.iop.org
We study here different regions in phase diagrams of the spin-1/2, spin-1 and spin-3/2 one-
dimensional antiferromagnetic Heisenberg systems with frustration (next-nearest-neighbor …
dimensional antiferromagnetic Heisenberg systems with frustration (next-nearest-neighbor …
Hexagonal Sr0. 6Ba0. 4MnO3: spin and dipole coupling via local structure
Abstract Hexagonal Sr 0.6 Ba 0.4 MnO 3 (SBMO) follows P6 3/mmc symmetry where MnO 6
octahedra are both face-shared (Mn 2 O 9 bioctahedra) and corner-shared via oxygen …
octahedra are both face-shared (Mn 2 O 9 bioctahedra) and corner-shared via oxygen …
Analytical solutions of symmetric isotropic spin clusters
SG Tabrizi, TD Kühne - arXiv preprint arXiv:2405.00214, 2024 - arxiv.org
Spin models like the Heisenberg Hamiltonian effectively describe the interactions of open-
shell transition-metal ions on a lattice and can account for various properties of magnetic …
shell transition-metal ions on a lattice and can account for various properties of magnetic …
Von Neumann entropy and bipartite number fluctuation in quantum phase transitions
In order to characterize quantum phase transitions, we consider von Neumann
entanglement entropy of bipartition systems. We propose a bipartition such as even-odd in a …
entanglement entropy of bipartition systems. We propose a bipartition such as even-odd in a …
Theoretical approach for computing magnetic anisotropy in single molecule magnets
We present a theoretical approach to calculate the molecular magnetic anisotropy
parameters, DM and EM for single molecule magnets in any eigenstate of the exchange …
parameters, DM and EM for single molecule magnets in any eigenstate of the exchange …
Full spin and spatial symmetry adapted technique for correlated electronic hamiltonians: Application to an icosahedral cluster
S Sahoo, S Ramasesha - International Journal of Quantum …, 2012 - Wiley Online Library
One of the long standing problems in quantum chemistry had been the inability to exploit full
spatial and spin symmetry of an electronic Hamiltonian belonging to a non‐Abelian point …
spatial and spin symmetry of an electronic Hamiltonian belonging to a non‐Abelian point …
Diffusion Monte Carlo for fermions with replica reduction
We propose an improved framework of diffusion Monte Carlo method for quantum many-
fermion systems. This approach enables us to find the ground state of the system without …
fermion systems. This approach enables us to find the ground state of the system without …