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20122026
most citedLogical quantum processor based on reconfigurable atom arrays

1.1k citations

Showing 2022 · quant-phShow all

48 papers · 2 filters

quant-ph2022★ 12 cited

Sharp complexity phase transitions generated by entanglement

Soumik Ghosh, Abhinav Deshpande, Dominik Hangleiter +2

Entanglement is one of the physical properties of quantum systems responsible for the computational hardness of simulating quantum systems. But while the runtime of specific algori…

quant-ph2022★ 3 cited

Quantum algorithms and the power of forgetting

Andrew M. Childs, Matthew Coudron, Amin Shiraz Gilani

The so-called welded tree problem provides an example of a black-box problem that can be solved exponentially faster by a quantum walk than by any classical algorithm. Given the na…

quant-ph2022★ 47 cited

Continuous Symmetry Breaking in a Trapped-Ion Spin Chain

Lei Feng, Or Katz, Casey Haack +5

One-dimensional systems exhibiting a continuous symmetry can host quantum phases of matter with true long-range order only in the presence of sufficiently long-range interactions.…

quant-ph2022★ 15 cited

Sample-optimal classical shadows for pure states

Daniel Grier, Hakop Pashayan, Luke Schaeffer

We consider the classical shadows task for pure states in the setting of both joint and independent measurements. The task is to measure few copies of an unknown pure state in…

quant-ph2022★ 15 cited

Quantum differential equation solvers: limitations and fast-forwarding

Dong An, Jin-Peng Liu, Daochen Wang +1

We study the limitations and fast-forwarding of quantum algorithms for linear ordinary differential equation (ODE) systems with a particular focus on non-quantum dynamics, where th…

quant-ph2022★ 12 cited

Continuous-variable quantum state designs: theory and applications

Joseph T. Iosue, Kunal Sharma, Michael J. Gullans +1

We generalize the notion of quantum state designs to infinite-dimensional spaces. We first prove that, under the definition of continuous-variable (CV) state -designs from Comm.…

quant-ph2022★ 46 cited

Pauli topological subsystem codes from Abelian anyon theories

Tyler D. Ellison, Yu-An Chen, Arpit Dua +3

We construct Pauli topological subsystem codes characterized by arbitrary two-dimensional Abelian anyon theories--this includes anyon theories with degenerate braiding relations an…

quant-ph2022★ 8 cited

Quantum Algorithms for Geologic Fracture Networks

Jessie M. Henderson, Marianna Podzorova, M. Cerezo +4

Solving large systems of equations is a challenge for modeling natural phenomena, such as simulating subsurface flow. To avoid systems that are intractable on current computers, it…

quant-ph2022★ 71 cited

Deterministic constant-depth preparation of the AKLT state on a quantum processor using fusion measurements

Kevin C. Smith, Eleanor Crane, Nathan Wiebe +1

The ground state of the spin-1 Affleck, Kennedy, Lieb and Tasaki (AKLT) model is a paradigmatic example of both a matrix product state and a symmetry-protected topological phase, a…

quant-ph2022★ 9 cited

Selection and improvement of product formulae for best performance of quantum simulation

Mauro E. S. Morales, Pedro C. S. Costa, Giacomo Pantaleoni +3

Quantum algorithms for simulation of Hamiltonian evolution are often based on product formulae. The fractal methods give a systematic way to find arbitrarily high-order product for…

quant-ph2022★ 18 cited

Lower Bounds on Quantum Annealing Times

Luis Pedro García-Pintos, Lucas T. Brady, Jacob Bringewatt +1

The adiabatic theorem provides sufficient conditions for the time needed to prepare a target ground state. While it is possible to prepare a target state much faster with more gene…

quant-ph2022★ 5 cited

Variational quantum simulation of critical Ising model with symmetry averaging

Troy J. Sewell, Ning Bao, Stephen P. Jordan

Here, we investigate the use of deep multi-scale entanglement renormalization (DMERA) circuits as a variational ansatz for ground states of gapless systems. We use the exactly-solv…

quant-ph2022★ 27 cited

Crystalline Quantum Circuits

Grace M. Sommers, David A. Huse, Michael J. Gullans

Random quantum circuits continue to inspire a wide range of applications in quantum information science and many-body quantum physics, while remaining analytically tractable throug…

quant-ph2022★ 3 cited

Lattice-Based Quantum Advantage from Rotated Measurements

Yusuf Alnawakhtha, Atul Mantri, Carl A. Miller +1

Trapdoor claw-free functions (TCFs) are immensely valuable in cryptographic interactions between a classical client and a quantum server. Typically, a protocol has the quantum serv…

quant-ph2022★ 13 cited

Error-correcting codes for fermionic quantum simulation

Yu-An Chen, Alexey V. Gorshkov, Yijia Xu

Utilizing the framework of lattice gauge theories in the context of Pauli stabilizer codes, we present methodologies for simulating fermions via qubit systems on a t…

quant-ph2022★ 3 cited

Experimental Implementation of an Efficient Test of Quantumness

Laura Lewis, Daiwei Zhu, Alexandru Gheorghiu +11

A test of quantumness is a protocol where a classical user issues challenges to a quantum device to determine if it exhibits non-classical behavior, under certain cryptographic ass…

quant-ph2022★ 13 cited

A scheme to create and verify scalable entanglement in optical lattice

You Zhou, Bo Xiao, Meng-Da Li +4

To achieve scalable quantum information processing, great efforts have been devoted to the creation of large-scale entangled states in various physical systems. Ultracold atom in o…

quant-ph2022★ 47 cited

Non-Abelian symmetry can increase entanglement entropy

Shayan Majidy, Aleksander Lasek, David A. Huse +1

The pillars of quantum theory include entanglement and operators' failure to commute. The Page curve quantifies the bipartite entanglement of a many-body system in a random pure st…

quant-ph2022★ 13 cited

Page curves and typical entanglement in linear optics

Joseph T. Iosue, Adam Ehrenberg, Dominik Hangleiter +2

Bosonic Gaussian states are a special class of quantum states in an infinite dimensional Hilbert space that are relevant to universal continuous-variable quantum computation as wel…

quant-ph2022★ 11 cited

Bounding the Minimum Time of a Quantum Measurement

Nathan Shettell, Federico Centrone, Luis Pedro García-Pintos

Measurements take a singular role in quantum theory. While they are often idealized as an instantaneous process, this is in conflict with all other physical processes in nature. In…

quant-ph2022★ 42 cited

Engineering dynamically decoupled quantum simulations with trapped ions

W. Morong, K. S. Collins, A. De +3

An external drive can improve the coherence of a quantum many-body system by averaging out noise sources. It can also be used to realize models that are inaccessible in the static…

quant-ph2022★ 13 cited

Qubit-oscillator concatenated codes: decoding formalism & code comparison

Yijia Xu, Yixu Wang, En-Jui Kuo +1

Concatenating bosonic error-correcting codes with qubit codes can substantially boost the error-correcting power of the original qubit codes. It is not clear how to concatenate opt…

quant-ph2022★ 30 cited

A single -gate makes distribution learning hard

Marcel Hinsche, Marios Ioannou, Alexander Nietner +6

The task of learning a probability distribution from samples is ubiquitous across the natural sciences. The output distributions of local quantum circuits form a particularly inter…

quant-ph2022★ 9 cited

Time-energy uncertainty relation for noisy quantum metrology

Philippe Faist, Mischa P. Woods, Victor V. Albert +3

Detection of weak forces and precise measurement of time are two of the many applications of quantum metrology to science and technology. We consider a quantum system initialized i…