- Quantum Simulation of Ligand-like Molecules through Sample-based Quantum Diagonalization in Density Matrix Embedding Framework
2025/11/27 by Ashish Kumar Patra, Ashish Patra, Anurag K. S. V. +15 · 4 citations
Computer Science · Materials Science · Physics and Astronomy · #Advanced Chemical Physics Studies #Atomic orbital #Computation #Density matrix #Density matrix renormalization group #Electronic structure #Embedding #Machine Learning in Materials Science #Quantum #Quantum Computing Algorithms and Architecture #Quantum algorithm #Quantum computer #Quantum simulator #physics.chem-ph #quant-ph
- Experimental verification of threshold quantum state tomography on a fully-reconfigurable photonic integrated circuit
2025/04/07 by Eugenio Caruccio, Diego Maragnano, Caruccio, Eugenio +27 · 2 citations
Computer Science · #Density matrix #Neural Networks and Reservoir Computing #Photonics #Quantum #Quantum Computing Algorithms and Architecture #Quantum Information and Cryptography #Quantum information #Quantum optics #Quantum sensor #Quantum state #Quantum tomography #Reduction (mathematics) #State (computer science)
- Grassmann extrapolation of density matrices for Born-Oppenheimer\n molecular dynamics
2021/07/28 by Étienne Polack, Polack, Etienne, Geneviève Dusson +5 · 1 citation
Biochemistry, Genetics and Molecular Biology · Chemistry · Materials Science · Mathematics · #Advanced NMR Techniques and Applications #Algorithm #Applied mathematics #Born–Oppenheimer approximation #Bottleneck #Chemical Physics (physics.chem-ph) #Computer science #Convergence (economics) #Density functional theory #Density matrix #Extrapolation #FOS: Physical sciences #Iterative method #Krylov subspace #Machine Learning in Materials Science #Mathematical analysis #Mathematics #Molecular dynamics #Nonlinear system #Physics #Protein Structure and Dynamics #Quantum mechanics #Statistical physics #Tangent space
- Entropy Production in Quantum is Different
2019/08/31 by Mohammad H. Ansari, Alwin van Steensel, Yuli V. Nazarov · 1 citation
Physics and Astronomy · #Quantum many-body systems #Advanced Thermodynamics and Statistical Mechanics #Statistical Mechanics and Entropy #Quantum relative entropy #Quantum discord #Quantum entanglement #Generalized relative entropy #Joint quantum entropy #Quantum information #Quantum #Density matrix #Entropy (arrow of time) #Quantum process
- “Wave-Packet Reduction” and the Quantum Character of the Actualization of Potentia
2017/09/24 by Gregg Jaeger · 1 citation
Physics and Astronomy · Mathematics · #Quantum Mechanics and Applications #Advanced Thermodynamics and Statistical Mechanics #Spectroscopy and Quantum Chemical Studies #Uncertainty principle #Quantum #Quantum mechanics #Canonical ensemble #Eigenvalues and eigenvectors #Analogy #Diagonal #Density matrix #Quantum state #Mathematics #Theoretical physics #Statistical physics #Physics #Statistics #Philosophy #Epistemology
- Purification and Many-Body Localization in Cold Atomic Gases
2014/07/31 by F. Andraschko, T. Enss, Tilman Enss +2 · 3 citations
Physics and Astronomy · #Binary number #Cold Atom Physics and Bose-Einstein Condensates #Density matrix #Entropy (arrow of time) #Logarithm #Non-equilibrium thermodynamics #Physics #Quantum #Quantum entanglement #Quantum many-body systems #Quantum mechanics #Quantum, superfluid, helium dynamics #Renormalization group #Statistical physics #cond-mat.dis-nn #cond-mat.quant-gas #cond-mat.stat-mech #cond-mat.str-el
- Spectral functions of strongly correlated extended systems via an exact quantum embedding
2013/09/30 by George H. Booth, Garnet Kin‐Lic Chan, Garnet Kin-Lic Chan · 1 citation
Mathematics · Physics and Astronomy · #Advanced Condensed Matter Physics #Density matrix #Discretization #Embedding #Hubbard model #Mathematical analysis #Mathematics #Physics #Physics of Superconductivity and Magnetism #Quantum #Quantum and electron transport phenomena #Quantum entanglement #Quantum mechanics #Statistical physics #Wave function #cond-mat.mtrl-sci #cond-mat.str-el #physics.comp-ph
- Density Matrix Embedding: A Strong-Coupling Quantum Embedding Theory
2012/12/12 by Gerald Knizia, Garnet Kin-Lic Chan, Garnet Kin‐Lic Chan · 3 citations
Chemistry · Mathematics · Physics and Astronomy · #Advanced Chemical Physics Studies #Chemical physics #Chemistry #Computer science #Density matrix #Dissociation (chemistry) #Eigenvalues and eigenvectors #Embedding #Hamiltonian (control theory) #Hamiltonian matrix #Mathematics #Physics #Quantum #Quantum entanglement #Quantum mechanics #Quantum, superfluid, helium dynamics #Spectroscopy and Quantum Chemical Studies #Statistical physics #Symmetric matrix #cond-mat.str-el #physics.chem-ph #quant-ph
- Density Matrix Embedding: A Simple Alternative to Dynamical Mean-Field Theory
2012/04/30 by Gerald Knizia, Garnet Kin-Lic Chan, Garnet Kin‐Lic Chan · 2 citations
Mathematics · Physics and Astronomy · #Anderson impurity model #Computer science #Density functional theory #Density matrix #Discretization #Dynamical mean field theory #Embedding #Hubbard model #Impurity #Materials science #Mathematical analysis #Mathematics #Matrix (chemical analysis) #Monte Carlo method #Physics #Physics of Superconductivity and Magnetism #Quantum #Quantum Monte Carlo #Quantum and electron transport phenomena #Quantum many-body systems #Quantum mechanics #Statistical physics #Statistics #cond-mat.str-el
- Retrieving qubit information despite decoherence
2010/09/21 by A. Aharony, Amnon Aharony, S. A. Gurvitz +5 · 1 citation
Computer Science · Mathematics · Physics and Astronomy · #Charge qubit #Current (fluid) #Density matrix #Exponential decay #Flux qubit #Mathematics #Noise (video) #Phase qubit #Physics #Quantum #Quantum Computing Algorithms and Architecture #Quantum Information and Cryptography #Quantum and electron transport phenomena #Quantum decoherence #Quantum dot #Quantum mechanics #Quantum tunnelling #Qubit #Symmetry (geometry) #cond-mat.mes-hall #quant-ph
- Microscopically based energy density functionals for nuclei using the density matrix expansion: Implementation and pre-optimization
2010/09/17 by M. V. Stoitsov, M. Stoitsov, M. Kortelainen +6 · 1 citation
Chemistry · Physics and Astronomy · #Advanced NMR Techniques and Applications #Chemistry #Coupling (piping) #Coupling constant #Density functional theory #Density matrix #Energy functional #Hartree–Fock method #Hybrid functional #Materials science #Matrix (chemical analysis) #Nuclear physics research studies #Observable #Orbital-free density functional theory #Phenomenology (philosophy) #Physics #Quantum Chromodynamics and Particle Interactions #Quantum mechanics #Range (aeronautics) #Statistical physics #nucl-th
- Microscopically-constrained Fock energy density functionals from chiral effective field theory. I. Two-nucleon interactions
2010/03/26 by B. Gebremariam, S. K. Bogner, T. Duguet · 1 citation
Chemistry · Physics and Astronomy · #Advanced NMR Techniques and Applications #Coupling (piping) #Coupling constant #Density functional theory #Density matrix #Effective field theory #Energy density #Field (mathematics) #Fock space #Nuclear physics research studies #Nucleon #Particle physics #Phenomenology (philosophy) #Physics #Quantum Chromodynamics and Particle Interactions #Quantum electrodynamics #Quantum mechanics #Range (aeronautics) #Theoretical physics #nucl-th
- Optimal entanglement generation in cavity QED with dissipation
2009/09/01 by Jian-Song Zhang, Jing-Bo Xu · 1 citation
Computer Science · Physics and Astronomy · #Density matrix #Dissipation #Dissipative system #Field (mathematics) #Mechanical and Optical Resonators #Operator (biology) #Quantum Computing Algorithms and Architecture #Quantum Information and Cryptography #Quantum entanglement #quant-ph
- Exact entanglement entropy of the XYZ model and its sine-Gordon limit
2009/05/31 by Elisa Ercolessi, Stefano Evangelisti, Francesco Ravanini · 1 citation
Computer Science · Mathematics · Physics and Astronomy · #Algebraic structures and combinatorial models #Density matrix #Entropy (arrow of time) #Generalized relative entropy #Joint quantum entropy #Logarithm #Mathematical analysis #Mathematical physics #Physics #Quantum #Quantum Information and Cryptography #Quantum discord #Quantum entanglement #Quantum many-body systems #Quantum mechanics #Quantum relative entropy #Scaling #Sine #Statistical physics #Transfer matrix #Von Neumann entropy #cond-mat.stat-mech #hep-th #quant-ph
- Minimally Entangled Typical Quantum States at Finite Temperature
2009/02/28 by Steven R. White · 2 citations
Computer Science · Physics and Astronomy · #Algorithm #Class (philosophy) #Cluster state #Computer science #Density matrix #Density matrix renormalization group #Physics #Quantum #Quantum Information and Cryptography #Quantum and electron transport phenomena #Quantum entanglement #Quantum many-body systems #Quantum mechanics #Quantum state #Renormalization group #State (computer science) #Statistical physics #W state #cond-mat.stat-mech #cond-mat.str-el
- Numerical Modeling of the Central Spin Problem Using the Spin-Coherent-StatePRepresentation
2005/11/28 by K. A. Al-Hassanieh, V. V. Dobrovitski, E. Dagotto +2 · 5 citations
Computer Science · Mathematics · Physics and Astronomy · #Condensed matter physics #Density matrix #Field (mathematics) #Mathematics #Physics #Quantum #Quantum Computing Algorithms and Architecture #Quantum Information and Cryptography #Quantum and electron transport phenomena #Quantum decoherence #Quantum mechanics #Relaxation (psychology) #Spin (aerodynamics) #Spin glass #Spins #Statistical physics #cond-mat.mes-hall #cond-mat.stat-mech
- Density Matrix in Quantum Mechanics and Distinctness of Ensembles Having the Same Compressed Density Matrix
2005/08/31 by Gui Lu Long, Yi-Fan Zhou, Jia-Qi Jin +2 · 2 citations
Chemistry · Computer Science · Physics and Astronomy · #Advanced NMR Techniques and Applications #Density matrix #Matrix (chemical analysis) #Observable #Quantum #Quantum Computing Algorithms and Architecture #Quantum Information and Cryptography #Quantum discord #Quantum entanglement #Quantum process #Quantum state #Quantum tomography #quant-ph
- Formation of Wigner molecules in small quantum dots
2000/04/06 by S. M. Reimann, M. Koskinen, M. Manninen · 2 citations
Chemistry · Mathematics · Physics and Astronomy · #Approx #Chemistry #Condensed matter physics #Density matrix #Electron #Hamiltonian (control theory) #Mathematics #Molecule #Physics #Physics of Superconductivity and Magnetism #Polarization (electrochemistry) #Quantum #Quantum and electron transport phenomena #Quantum dot #Quantum mechanics #Semiconductor Quantum Structures and Devices #cond-mat.mes-hall #cond-mat.str-el
- Universal variational functionals of electron densities, first-order density matrices, and natural spin-orbitals and solution of the v -representability problem
1979/12/01 by Mel Levy · 8 citations
Physics and Astronomy · Engineering · Materials Science · #Advanced Chemical Physics Studies #Molecular Junctions and Nanostructures #Magnetism in coordination complexes #Wave function #Atomic orbital #Slater determinant #Quantum mechanics #Physics #Density functional theory #Electron #Antisymmetric relation #Spin (aerodynamics) #Density matrix #Order (exchange) #Ground state #Mathematical physics #Quantum #Thermodynamics
- Speculations on Bose-Einstein Condensation and Quantum Crystals
1970/07/01 by G. V. Chester · 12 citations
Physics and Astronomy · #Bose gas #Bose–Einstein condensate #Bose–Einstein statistics #Boson #Cold Atom Physics and Bose-Einstein Condensates #Condensation #Condensed matter physics #Density matrix #Eigenvalues and eigenvectors #Momentum (technical analysis) #Physics #Quantum #Quantum Mechanics and Applications #Quantum mechanics #Quantum, superfluid, helium dynamics #Superfluidity #Theoretical physics