Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Experiment Videos

Minimum construction of two-qubit quantum operations.

Jun Zhang1, Jiri Vala, Shankar Sastry

  • 1Department of Electrical Engineering and Computer Sciences, Department of Chemistry, Pitzer Center for Theoretical Chemistry, University of California, Berkeley, California 94720, USA

Physical Review Letters
|August 25, 2004
PubMed
Summary
This summary is machine-generated.

Related Concept Videos

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Modelling Structural Material Damage Using the Cohesive Zone Approach Under Operational Conditions.

Materials (Basel, Switzerland)·2025
Same author

Some Peculiarities of Using the Extended Finite Element Method in Modelling the Damage Behaviour of Fibre-Reinforced Composites.

Materials (Basel, Switzerland)·2025
Same author

Use of Cohesive Approaches for Modelling Critical States in Fibre-Reinforced Structural Materials.

Materials (Basel, Switzerland)·2024
Same author

Lattice Defects in the Kitaev Honeycomb Model.

The journal of physical chemistry. A·2016
Same author

Partner change and perinatal outcomes: a systematic review.

Paediatric and perinatal epidemiology·2007
Same author

Partner change, birth interval and risk of pre-eclampsia: a paradoxical triangle.

Paediatric and perinatal epidemiology·2007
Same journal

Erratum: Bacterial Turbulence at Compressible Fluid Interfaces [Phys. Rev. Lett. 136, 138301 (2026)].

Physical review letters·2026
Same journal

Unveiling Light-Quark Yukawa Flavor Structure via Dihadron Fragmentation at Lepton Colliders.

Physical review letters·2026
Same journal

Adaptable Route to Fast Coherent State Transport via Bang-Bang-Bang Protocols.

Physical review letters·2026
Same journal

Topological Transition and Emergence of Elasticity of Dislocation in Skyrmion Lattice: Beyond Kittel's Magnetic-Polar Analogy.

Physical review letters·2026
Same journal

Pound-Drever-Hall Method for Superconducting-Qubit Readout.

Physical review letters·2026
Same journal

Coupling a ^{73}Ge Nuclear Spin to an Electrostatically Defined Quantum Dot in Silicon.

Physical review letters·2026
See all related articles

A new quantum gate, B, enables efficient construction of quantum operations using fewer single- and two-qubit gates. This discovery simplifies quantum computation by providing a faster method for implementing complex quantum circuits.

Area of Science:

  • Quantum Information Science
  • Quantum Computation

Background:

  • Optimal construction of quantum operations is crucial for building functional quantum computers.
  • Current methods often require numerous single- and two-qubit gates, increasing complexity and error potential.

Purpose of the Study:

  • To introduce a novel quantum gate, designated as 'B'.
  • To demonstrate that the B gate can implement any arbitrary two-qubit quantum operation with a minimal gate count.
  • To present an efficient method for constructing quantum circuits.

Main Methods:

  • Development of an analytic circuit utilizing the B gate.
  • Demonstration of a generic nonlocal two-qubit operation using two applications of the B gate.
  • Experimental realization of the B gate using charge-coupled superconducting qubits.

Related Experiment Videos

Main Results:

  • The B gate can implement any arbitrary two-qubit quantum operation using a minimal number of two- and single-qubit gates.
  • An analytic circuit shows that two applications of the B gate suffice for a generic nonlocal two-qubit operation.
  • The B gate is generated faster than the CNOT gate in charge-coupled superconducting qubits.

Conclusions:

  • The newly discovered B gate offers a more efficient approach to constructing quantum operations.
  • This gate has the potential to simplify and accelerate the realization of quantum computation.
  • The experimental feasibility is demonstrated, paving the way for practical applications.