148 citations · 458 across the 25 of their papers we have counts for
26 papers
Measuring central charge on a universal quantum processor
Nazlı Uğur Köylüoğlu, Swarndeep Majumder, Mirko Amico +5
Central charge is a fundamental quantity in conformal field theories (CFT), and plays a crucial role in determining universality classes of critical points in two-dimensional syste…
Order Parameter Discovery for Quantum Many-Body Systems
Nicola Mariella, Tara Murphy, Francesco Di Marcantonio +4
Quantum phase transitions reveal deep insights into the behavior of many-body quantum systems, but identifying these transitions without prior knowledge of order parameters remains…
Quantum simulation of Fermi-Hubbard model based on transmon qudit interaction
Arian Vezvaee, Nathan Earnest-Noble, Khadijeh Najafi
The Fermi-Hubbard model, a fundamental framework for studying strongly correlated phenomena could significantly benefit from quantum simulations when exploring non-trivial settings…
Towards quantum-enabled cell-centric therapeutics
Saugata Basu, Jannis Born, Aritra Bose +30
In recent years, there has been tremendous progress in the development of quantum computing hardware, algorithms and services leading to the expectation that in the near future qua…
Variational Neural-Network Ansatz for Continuum Quantum Field Theory
John M. Martyn, Khadijeh Najafi, Di Luo
Physicists dating back to Feynman have lamented the difficulties of applying the variational principle to quantum field theories. In non-relativistic quantum field theories, the ch…
Expressive Quantum Perceptrons for Quantum Neuromorphic Computing
Rodrigo Araiza Bravo, Khadijeh Najafi, Taylor L. Patti +2
Quantum neuromorphic computing (QNC) is a sub-field of quantum machine learning (QML) that capitalizes on inherent system dynamics. As a result, QNC can run on contemporary, noisy…
Many-body localized hidden generative models
Weishun Zhong, Xun Gao, Susanne F. Yelin +1
Born machines are quantum-inspired generative models that leverage the probabilistic nature of quantum states. Here, we present a new architecture called many-body localized (MBL)…
Learning quantum symmetries with interactive quantum-classical variational algorithms
Jonathan Z. Lu, Rodrigo A. Bravo, Kaiying Hou +3
A symmetry of a state is a unitary operator of which is an eigenvector. When is an unknown state supplied by a black-box oracle,…
Analytic theory for the dynamics of wide quantum neural networks
Junyu Liu, Khadijeh Najafi, Kunal Sharma +3
Parameterized quantum circuits can be used as quantum neural networks and have the potential to outperform their classical counterparts when trained for addressing learning problem…
Markov Chain Monte-Carlo Enhanced Variational Quantum Algorithms
Taylor L. Patti, Omar Shehab, Khadijeh Najafi +1
Variational quantum algorithms are poised to have significant impact on high-dimensional optimization, with applications in classical combinatorics, quantum chemistry, and condense…
Born Machines for Periodic and Open XY Quantum Spin Chains
Abigail McClain Gomez, Susanne F. Yelin, Khadijeh Najafi
Quantum phase transitions are ubiquitous in quantum many body systems. The quantum fluctuations that occur at very low temperatures are known to be responsible for driving the syst…
Quantum reservoir computing using arrays of Rydberg atoms
Rodrigo Araiza Bravo, Khadijeh Najafi, Xun Gao +1
Quantum computing promises to provide machine learning with computational advantages. However, noisy intermediate-scale quantum (NISQ) devices pose engineering challenges to realiz…
Nonequilibrium spectral moment sum rules of the Holstein-Hubbard model
Khadijeh Najafi, J. Alexander Jacoby, R. D. Nesselrodt +1
We derive a general procedure for evaluating the th derivative of a time-dependent operator in the Heisenberg representation and employ this approach to calculate the zero…
Noise-Resilient Phase Transitions and Limit-Cycles in Coupled Kerr Oscillators
H. Alaeian, M. Soriente, K. Najafi +1
Driven-dissipative quantum many-body systems have been the subject of many studies in recent years. They possess unique, novel classes of dissipation-stabilized quantum many-body p…
Entanglement Devised Barren Plateau Mitigation
Taylor L. Patti, Khadijeh Najafi, Xun Gao +1
Hybrid quantum-classical variational algorithms are one of the most propitious implementations of quantum computing on near-term devices, offering classical machine learning suppor…
Return amplitude after a quantum quench in the XY chain
Khadijeh Najafi, M. A. Rajabpour, Jacopo Viti
We determine an exact formula for the transition amplitude between any two arbitrary eigenstates of the local -magnetization operators in the quantum XY chain. We further use th…
Toward long-range entanglement between electrically driven single-molecule magnets
Khadijeh Najafi, Alexander Wysocki, Kyungwha Park +2
Over the past two decades, several molecules have been explored as possible building blocks of a quantum computer, a device that would provide exponential speedups for a number of…
Minimal Effective Gibbs Ansatz (MEGA): A simple protocol for extracting an accurate thermal representation for quantum simulation
Jeffrey Cohn, Khadijeh Sona Najafi, Forest Yang +2
Quantum Gibbs state sampling algorithms generally suffer from either scaling exponentially with system size or requiring specific knowledge of spectral properties \textit{a priori}…
Area law and universality in the statistics of subsystem energy
Khadijeh Najafi, M. A. Rajabpour
We introduce Rényi entropy of a subsystem energy as a natural quantity which closely mimics the behavior of the entanglement entropy and can be defined for all the quantum many bod…
Light-cone velocities after a global quench in a non-interacting model
Khadijeh Najafi, M. A. Rajabpour, J. Viti
We study the light-cone velocity for global quenches in the non-interacting XY chain starting from a class of initial states that are eigenstates of the local -component of the…
Full counting statistics of the subsystem energy in the free fermions and the quantum spin chains
Khadijeh Najafi, M. A. Rajabpour
We calculate the full counting statistics (FCS) of a subsystem energy in free fermionic systems by means of the Grassmann variables. We demonstrate that the generating function of…
On the possibility of complete revivals after quantum quenches to a critical point
Khadijeh Najafi, M. A. Rajabpour
In a recent letter, J. Cardy, Phys. Rev. Lett. \textbf{112}, 220401 (2014), the author made a very interesting observation that complete revivals of quantum states after quantum qu…
Enhancing quantum order with fermions by increasing species degeneracy
Khadijeh Najafi, M. M. Maśka, Kahlil Dixon +2
One of the challenges for fermionic cold atom experiments in optical lattices is to cool the systems to low enough temperature that they can form quantum degenerate ordered phases.…
Entanglement entropy after selective measurements in quantum chains
Khadijeh Najafi, M. A. Rajabpour
We study bipartite post measurement entanglement entropy after selective measurements in quantum chains. We first study the quantity for the critical systems that can be described…