230 citations · 1.7k across the 54 of their papers we have counts for
54 papers
Quantum synchronization of qubits via dynamical Casimir effect
Haruki Mitarai, Yoshihiko Hasegawa
In this paper, we study the synchronization of qubits induced by the dynamical Casimir effect in an atom-cavity quantum electrodynamics system. Our investigation revolves around a…
Upper bound for entropy production in Markov processes
Tomohiro Nishiyama, Yoshihiko Hasegawa
The second law of thermodynamics states that entropy production cannot be negative. Recent developments concerning uncertainty relations in stochastic thermodynamics, such as therm…
Lie algebraic quantum phase reduction based on heterodyne detection
Wataru Setoyama, Yoshihiko Hasegawa
Measurement backaction inherently alters observed dynamics in quantum physics. In the realm of quantum synchronization, this backaction induces a phase bias, making the assessment…
ISAAQ: Ising Machine Assisted Quantum Compiler
Soshun Naito, Yoshihiko Hasegawa, Yoshiki Matsuda +1
It is imperative to compile quantum circuits for Noisy Intermediate-Scale Quantum (NISQ) devices because of the limited connectivity of physical qubits and the high error rates of…
Thermodynamic correlation inequality
Yoshihiko Hasegawa
Trade-off relations place fundamental limits on the operations that physical systems can perform. This Letter presents a trade-off relation that bounds the correlation function, wh…
Uncertainty relation for indirect measurement
Ryo Mihashi, Yoshihiko Hasegawa
Indirect measurement can be used to read out the outcome of a quantum system without resorting to a straightforward approach, and it is the foundation of the measurement uncertaint…
Lie Algebraic Quantum Phase Reduction
Wataru Setoyama, Yoshihiko Hasegawa
We introduce a general framework of phase reduction theory for quantum nonlinear oscillators. By employing the quantum trajectory theory, we define the limit-cycle trajectory and t…
Quantum Otto cycle under strong coupling
Mao Kaneyasu, Yoshihiko Hasegawa
Quantum heat engines are often discussed under the weak coupling assumption that the interaction between the system and the reservoirs is negligible. Although this setup is easier…
Unified thermodynamic-kinetic uncertainty relation
Van Tuan Vo, Tan Van Vu, Yoshihiko Hasegawa
Understanding current fluctuations is of fundamental importance and paves the way for the development of practical applications. According to the thermodynamic and kinetic uncertai…
Unifying speed limit, thermodynamic uncertainty relation and Heisenberg principle via bulk-boundary correspondence
Yoshihiko Hasegawa
The bulk-boundary correspondence provides a guiding principle for tackling strongly correlated and coupled systems. In the present work, we apply the concept of the bulk-boundary c…
Quantum Walks with Indefinite Causal Order
Yuanbo Chen, Yoshihiko Hasegawa
In all existing quantum walk models, the assumption about a pre-existing fixed background causal structure is always made and has been taken for granted. Nevertheless, in this work…
Relativistic entropy production for quantum field in cavity
Yoshihiko Hasegawa
A nonuniformly accelerated quantum field in a cavity undergoes the coordinate transformation of annihilation and creation operators, known as the Bogoliubov transformation. This st…
Fundamental trade-off relation in probabilistic entanglement generation
Yuanbo Chen, Yoshihiko Hasegawa
We investigate the generation of entanglement between two non-interacting systems by synthesizing a new quantum process from the superposition of distinct processes characterized b…
Thermodynamic uncertainty relation for quantum first passage process
Yoshihiko Hasegawa
We derive a thermodynamic uncertainty relation for first passage processes in quantum Markov chains. We consider first passage processes that stop after a fixed number of jumps, wh…
Indefinite Causal Order in Quantum Batteries
Yuanbo Chen, Yoshihiko Hasegawa
Operations performing on quantum batteries are extended to scenarios where we no longer force the existence of definite causal order of occurrence between distinct processes. In co…
Accelerated Jarzynski Estimator with Deterministic Virtual Trajectories
Nobumasa Ishida, Yoshihiko Hasegawa
The Jarzynski estimator is a powerful tool that uses nonequilibrium statistical physics to numerically obtain partition functions of probability distributions. The estimator recons…
Toward relaxation asymmetry: Heating is faster than cooling
Tan Van Vu, Yoshihiko Hasegawa
An asymmetry in thermal relaxation toward equilibrium has been uncovered for Langevin systems near stable minima [Phys. Rev. Lett. 125, 110602 (2020)]. It has been shown that, give…
Lower Bound on Irreversibility in Thermal Relaxation of Open Quantum Systems
Tan Van Vu, Yoshihiko Hasegawa
We consider thermal relaxation process of a quantum system attached to a single or multiple reservoirs. Quantifying the degree of irreversibility by entropy production, we prove th…
Irreversibility, Loschmidt echo, and thermodynamic uncertainty relation
Yoshihiko Hasegawa
Entropy production characterizes irreversibility. This viewpoint allows us to consider the thermodynamic uncertainty relation, which states that a higher precision can be achieved…
Monomial-agnostic computation of vanishing ideals
Hiroshi Kera, Yoshihiko Hasegawa
In the last decade, the approximate basis computation of vanishing ideals has been studied extensively in computational algebra and data-driven applications such as machine learnin…
Unified Approach to Classical Speed Limit and Thermodynamic Uncertainty Relation
Van Tuan Vo, Tan Van Vu, Yoshihiko Hasegawa
The total entropy production quantifies the extent of irreversibility in thermodynamic systems, which is nonnegative for any feasible dynamics. When additional information such as…
Evaluating the phase dynamics of coupled oscillators via time-variant topological features
Kazuha Itabashi, Quoc Hoan Tran, Yoshihiko Hasegawa
By characterizing the phase dynamics in coupled oscillators, we gain insights into the fundamental phenomena of complex systems. The collective dynamics in oscillatory systems are…
Geometrical Bounds of the Irreversibility in Markovian Systems
Tan Van Vu, Yoshihiko Hasegawa
We derive geometrical bounds on the irreversibility in both quantum and classical Markovian open systems that satisfy the detailed balance condition. Using information geometry, we…
Topological Persistence Machine of Phase Transitions
Quoc Hoan Tran, Mark Chen, Yoshihiko Hasegawa
The study of phase transitions using data-driven approaches is challenging, especially when little prior knowledge of the system is available. Topological data analysis is an emerg…