Novel squeezed polaron wavefunction captures boson-bath correlations at the spin-boson localization transition with improved ground state energies and critical couplings compared to standard coherent-state approaches.

#QuantumDissipation #VariationalMethods #Research

New locality-based framework for variational fermionic states achieves 0.5% energy accuracy on Hubbard models with systematically improvable expressive power, bridging interpretable physics with neural quantum states for large-scale simulations.

#QuantumSimulation #VariationalMethods #Research

Novel variational quantum algorithm encodes matrices as quantum states rather than unitary operators, enabling O(log N) space complexity while solving generalized eigenvalue problems. Avoids expensive matrix exponentiating operations.

#QuantumAlgorithms #VariationalMethods #Research

Developed RCMPS variational method for solving strongly-coupled relativistic quantum field theories without UV/IR cutoffs in 1+1D, achieving machine-precision ground state approximations and observables.

#QuantumFieldTheory #VariationalMethods #Research

Variational (matrix) product states for combinatorial optimization
Conor Mc Keever, Guillermo Preisser et al.
Paper
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#QuantumOptimization #VariationalMethods #CombinatorialOptimization