skip to main content
OSTI.GOV title logo U.S. Department of Energy
Office of Scientific and Technical Information

Title: Entanglement spectroscopy with a depth-two quantum circuit

Journal Article · · Journal of Physics. A, Mathematical and Theoretical

Noisy intermediate-scale quantum (NISQ) computers have gate errors and decoherence, limiting the depth of circuits that can be implemented on them. Here, a strategy for NISQ algorithms is to reduce the circuit depth at the expense of increasing the qubit count.

Research Organization:
Los Alamos National Laboratory (LANL), Los Alamos, NM (United States)
Sponsoring Organization:
USDOE
Grant/Contract Number:
89233218CNA000001
OSTI ID:
1494477
Report Number(s):
LA-UR-18-25483
Journal Information:
Journal of Physics. A, Mathematical and Theoretical, Vol. 52, Issue 4; ISSN 1751-8113
Publisher:
IOP PublishingCopyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 18 works
Citation information provided by
Web of Science

References (33)

Measuring the Renyi entropy of a two-site Fermi-Hubbard model on a trapped ion quantum computer text January 2017
Quantum circuits cannot control unknown operations journal September 2014
Entanglement spectroscopy on a quantum computer journal November 2017
Learning the quantum algorithm for state overlap text January 2018
Quantum plug n’ play: modular computation in the quantum regime journal January 2018
Quantum computing and the entanglement frontier preprint January 2012
Measuring entanglement entropy in a quantum many-body system journal December 2015
Measurement Protocol for the Entanglement Spectrum of Cold Atoms journal November 2016
Error Mitigation for Short-Depth Quantum Circuits journal November 2017
The theory of variational hybrid quantum-classical algorithms journal February 2016
Quantum Computing in the NISQ era and beyond text January 2018
Entanglement Spectrum as a Generalization of Entanglement Entropy: Identification of Topological Order in Non-Abelian Fractional Quantum Hall Effect States journal July 2008
Entanglement in Many-Body Systems text January 2007
Parallelizing quantum circuits journal June 2009
A blueprint for demonstrating quantum supremacy with superconducting qubits text January 2017
Entanglement in many-body systems journal May 2008
Learning the quantum algorithm for state overlap journal November 2018
Quantum Computing in the NISQ era and beyond journal August 2018
Parallelizing Quantum Circuits text January 2007
Entanglement spectroscopy on a quantum computer text January 2017
Bipartite fluctuations as a probe of many-body entanglement journal January 2012
Surface codes: Towards practical large-scale quantum computation journal September 2012
Simulating the Transverse Ising Model on a Quantum Computer: Error Correction with the Surface Code text January 2012
swap test and Hong-Ou-Mandel effect are equivalent journal May 2013
Bipartite Fluctuations as a Probe of Many-Body Entanglement text January 2011
Measuring the Rényi entropy of a two-site Fermi-Hubbard model on a trapped ion quantum computer journal November 2018
Simulating the transverse Ising model on a quantum computer: Error correction with the surface code journal March 2013
A blueprint for demonstrating quantum supremacy with superconducting qubits journal April 2018
Measuring Renyi Entanglement Entropy in Quantum Monte Carlo Simulations journal April 2010
Quantum entanglement journal June 2009
Quantum entanglement text January 2007
On the CNOT -cost of TOFFOLI gates journal May 2009
Measuring polynomial functions of states journal September 2004

Cited By (5)

Virtual Distillation for Quantum Error Mitigation text January 2020
Methodology for replacing indirect measurements with direct measurements text January 2019
Noise resilience of variational quantum compiling journal April 2020
Methodology for replacing indirect measurements with direct measurements journal August 2019
Shannon’s information theory 70 years on: applications in classical and quantum physics journal July 2019