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Related Concept Videos

Blind Procedures02:07

Blind Procedures

Ideally, the people who observe and record the children’s behavior are unaware of who was assigned to the experimental or control group, in order to control for experimenter bias. Experimenter bias refers to the possibility that a researcher’s expectations might skew the results of the study. Remember, conducting an experiment requires a lot of planning, and the people involved in the research project have a vested interest in supporting their hypotheses. If the observers knew which child was...
The Quantum-Mechanical Model of an Atom02:45

The Quantum-Mechanical Model of an Atom

Shortly after de Broglie published his ideas that the electron in a hydrogen atom could be better thought of as being a circular standing wave instead of a particle moving in quantized circular orbits, Erwin Schrödinger extended de Broglie’s work by deriving what is now known as the Schrödinger equation. When Schrödinger applied his equation to hydrogen-like atoms, he was able to reproduce Bohr’s expression for the energy and, thus, the Rydberg formula governing hydrogen spectra. Schrödinger...
Quantum Numbers02:43

Quantum Numbers

It is said that the energy of an electron in an atom is quantized; that is, it can be equal only to certain specific values and can jump from one energy level to another but not transition smoothly or stay between these levels.
Blinding01:11

Blinding

Blinding is a commonly used method of not telling participants which treatment a subject is receiving. Blinding is a critical part of a randomized control trial or RCT. It reduces the bias that affects the results. In an RCT, blinding is used in the form of a placebo. A placebo effect occurs when untreated subjects falsely believe they have received the treatment and report improved symptoms. A placebo or a dummy treatment is administered to subjects to negate the bias caused by such an effect.
Woodward–Hoffmann Selection Rules and Microscopic Reversibility01:34

Woodward–Hoffmann Selection Rules and Microscopic Reversibility

Electrocyclic reactions, cycloadditions, and sigmatropic rearrangements are concerted pericyclic reactions that proceed via a cyclic transition state. These reactions are stereospecific and regioselective. The stereochemistry of the products depends on the symmetry characteristics of the interacting orbitals and the reaction conditions. Accordingly, pericyclic reactions are classified as either symmetry-allowed or symmetry-forbidden. Woodward and Hoffmann presented the selection criteria for...
Ampere-Maxwell's Law: Problem-Solving01:17

Ampere-Maxwell's Law: Problem-Solving

A parallel-plate capacitor with capacitance C, whose plates have area A and separation distance d, is connected to a resistor R and a battery of voltage V. The current starts to flow at t = 0. What is the displacement current between the capacitor plates at time t? From the properties of the capacitor, what is the corresponding real current?
To solve the problem, we can use the equations from the analysis of an RC circuit and Maxwell's version of Ampère's law.
For the first part of the problem,...

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Related Experiment Video

Updated: May 14, 2026

Generation and Coherent Control of Pulsed Quantum Frequency Combs
06:42

Generation and Coherent Control of Pulsed Quantum Frequency Combs

Published on: June 8, 2018

Continuous-variable blind quantum computation.

Tomoyuki Morimae1

  • 1Department of Physics, Imperial College London, London SW7 2BW, United Kingdom. morimae@gmail.com

Physical Review Letters
|February 2, 2013
PubMed
Summary
This summary is machine-generated.

Blind quantum computation enables secure delegation of quantum tasks. This study confirms its feasibility in continuous-variable models, even with finite squeezing, ensuring data privacy.

Related Experiment Videos

Last Updated: May 14, 2026

Generation and Coherent Control of Pulsed Quantum Frequency Combs
06:42

Generation and Coherent Control of Pulsed Quantum Frequency Combs

Published on: June 8, 2018

Area of Science:

  • Quantum Information Science
  • Quantum Computation
  • Cryptography

Background:

  • Blind quantum computation (BQC) allows secure delegation of quantum tasks.
  • Existing BQC protocols are primarily for discrete-variable (qudit) models.
  • Continuous-variable (CV) quantum computation offers advantages but lacks established BQC protocols.

Purpose of the Study:

  • To investigate the feasibility of blind quantum computation within the continuous-variable measurement-based quantum computation (CV-MBQC) model.
  • To determine the impact of squeezing (infinite and finite) on the security and viability of CV-BQC.

Main Methods:

  • Theoretical analysis of blind quantum computation protocols applied to the CV-MBQC framework.
  • Examination of the role of infinite squeezing in enabling secure blind computation.
  • Assessment of the implications of finite squeezing on the BQC protocol's integrity.

Main Results:

  • Blind quantum computation is demonstrably possible for the continuous-variable measurement-based model, particularly in the infinite squeezing regime.
  • Finite squeezing does not introduce new vulnerabilities or insurmountable challenges to the blind quantum computation setup in CV-MBQC.
  • The inherent limitations of CV-MBQC itself are the primary constraints, not the finite squeezing in the context of blindness.

Conclusions:

  • The continuous-variable measurement-based model supports secure blind quantum computation.
  • The findings extend the applicability of blind quantum computation to a broader range of quantum computing paradigms.
  • This research paves the way for enhanced security in delegated quantum computing using continuous-variable systems.