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33 papers · 2 filters
Nonlinear path-following via the asymptotic numerical method on a quantum processor
Yongchun Xu, Zengtao Kuang, Qun Huang +7
Quantum computing offers a promising avenue for advancing computational methods in science and engineering. In this work, we introduce the quantum asymptotic numerical method (qANM…
Effective temperature in approximate quantum many-body states
Yu-Qin Chen, Shi-Xin Zhang
In the pursuit of numerically identifying the ground state of quantum many-body systems, approximate quantum wavefunction ansatzes are commonly employed. This study focuses on the…
Quantum State Tomography of Photonic Qubits with Realistic Coherent Light Sources
Artur Czerwinski
Quantum state tomography (QST) is an essential technique for characterizing quantum states. However, practical implementations of QST are significantly challenged by factors such a…
Performance of a Superconducting Quantum Battery
Samira Elghaayda, Asad Ali, Saif Al-Kuwari +3
Finding a quantum battery model that demonstrates a quantum advantage while remaining feasible for experimental production is a considerable challenge. Here, a superconducting quan…
Relation between equilibrium quantum phase transitions and dynamical quantum phase transitions in two-band systems
Yumeng Zeng, Shu Chen
The dynamical quantum phase transition (DQPT) is an important concept in nonequilibrium critical phenomena; however, its relation to the equilibrium quantum phase transition (EQPT)…
Lissajous dynamics of a quantum particle in a tilted two-dimensional discrete lattice
Grzegorz Jaczewski, Tomasz Sowiński
The quantum dynamics of a single particle in a discrete two-dimensional tilted lattice is analyzed from the perspective of the classical-quantum correspondence. Utilizing the fact…