Related Experiment Video
Updated: Jul 7, 2026
05:30
Large Scale Energy Efficient Sensor Network Routing Using a Quantum Processor Unit
Published on: September 8, 2023
Knill-laflamme-milburn linear optics quantum computation as a measurement-based computation
1H.H. Wills Physics Laboratory, University of Bristol, Tyndall Avenue, Bristol BS8 1TL, United Kingdom.
Physical Review Letters
|February 1, 2008
Summary
The Knill Lafllame Milburn method is a type of one-way, measurement-based quantum computation. The permanent state of n-dimensional systems is a universal state for quantum computation.
Area of Science:
- Quantum Information Science
- Quantum Computation
- Linear Optics Quantum Computation
Background:
- The Knill Lafllame Milburn (KLM) method provides a framework for quantum computation using linear optics.
- Measurement-based quantum computation (MBQC) offers an alternative paradigm for implementing quantum algorithms.
Purpose of the Study:
- To demonstrate the equivalence between the KLM method and MBQC.
- To identify universal states for quantum computation.
Main Methods:
- Interpreting the KLM method within the framework of one-way quantum computation.
- Analyzing the properties of the permanent state in n-dimensional systems.
Main Results:
- The KLM method can be reformulated as a one-way, measurement-based quantum computation.
- The permanent state of n-dimensional systems is proven to be a universal state for quantum computation.
Conclusions:
- This work establishes a connection between different models of quantum computation.
- The identification of a universal state has implications for the development of scalable quantum computers.
Related Concept Videos
02:45The 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...
01:24Calculation of First-Law Quantities II
The first law of thermodynamics establishes that the change in internal energy of a system is given by ΔU = q + w, where q is the heat exchanged, and w is the work performed. For a perfect gas, both internal energy (U) and enthalpy (H) depend solely on temperature. Consequently, for any change of state, whether reversible or irreversible, the internal energy change is determined by integrating the heat capacity at constant volume, and the enthalpy change by integrating the heat capacity at...
01:25Fluorescence and Phosphorescence: Instrumentation
Fluorometers and spectrofluorometers are two types of instruments used for measuring molecular fluorescence. These instruments differ in how they select excitation and emission wavelengths and the type of light sources they utilize. Fluorometers use absorption interference filters to choose excitation and emission wavelengths. The excitation source in a fluorometer is typically a low-pressure mercury vapor lamp that emits intense lines distributed throughout the ultraviolet and visible regions.
02:32The de Broglie Wavelength
In the macroscopic world, objects that are large enough to be seen by the naked eye follow the rules of classical physics. A billiard ball moving on a table will behave like a particle; it will continue traveling in a straight line unless it collides with another ball, or it is acted on by some other force, such as friction. The ball has a well-defined position and velocity or well-defined momentum, p = mv, which is defined by mass m and velocity v at any given moment. This is the typical...