Related Experiment Video
Updated: Apr 15, 2026
05:30
Large Scale Energy Efficient Sensor Network Routing Using a Quantum Processor Unit
Published on: September 8, 2023
1.2K
Thermodynamics of creating correlations: Limitations and optimal protocols
David Edward Bruschi1, Martí Perarnau-Llobet2, Nicolai Friis3,4
1Racah Institute of Physics and Quantum Information Science Centre, Hebrew University of Jerusalem, 91904 Jerusalem, Israel.
Summary
We found the optimal way to convert energy into quantum correlations, like entanglement. The amount of correlations increases linearly with energy, with specific limits for fermions and bosons.
Area of Science:
- Quantum Information Theory
- Quantum Thermodynamics
- Quantum Correlations
Background:
- Correlations and entanglement are key quantum resources.
- Establishing these resources requires energy and is limited by initial entropy.
- Understanding energy-cost of quantum correlations is crucial.
Purpose of the Study:
- Investigate the optimal conversion of energy into quantum correlations.
- Establish general bounds for energy-to-correlation conversion in thermal baths.
- Analyze correlation generation for fundamental particles (fermions and bosons).
Main Methods:
- Theoretical analysis of resource theories.
- Development of a protocol for energy-to-correlation conversion.
- Quantification of correlations using mutual information.
- Analysis of fermionic and bosonic modes.
Main Results:
- Established general bounds for energy-to-correlation conversion.
- Demonstrated linear increase of mutual information with energy, identifying breakdown points.
- Found optimal entangling protocols for fermionic modes.
- Showed Gaussian operations are optimal for high-energy bosonic entanglement.
Conclusions:
- Rigorous connection established between quantum resource theories.
- Optimal energy-to-correlation conversion is possible, with bounds determined.
- Particle statistics (fermionic vs. bosonic) influence optimal entanglement strategies.
Related Concept Videos
01:26Thermodynamic Potentials
1.8K
Thermodynamic potentials are state functions that are extremely useful in analyzing a thermodynamic system. They have dimensions of energy. The four important thermodynamic potentials are internal energy, enthalpy, Helmholtz free energy, and Gibbs free energy. These thermodynamic potentials can be expressed using two of the following variables: pressure, volume, temperature, and entropy. These two variables are expressed as the rate of change of the thermodynamic potential with respect to other...
1.8K
01:06Thermodynamic Systems
9.3K
A thermodynamic system is a set of objects whose thermodynamic properties are of interest. The system is considered to be embedded in its surroundings or the environment. The system and its environment can exchange heat and do work on each other through a boundary that separates them. However, the immediate surroundings of the system interact with it directly and therefore have a much stronger influence on its behavior and properties.
Consider an example of tea boiling in a kettle. The...
Consider an example of tea boiling in a kettle. The...
9.3K
01:21First Law Of Thermodynamics: Problem-Solving
5.2K
The first law of thermodynamics states that the change in internal energy of the system is equal to the net heat transfer into the system minus the net work done by the system. This equation is a generalized form of energy conservation and can be applied to any thermodynamic process.
The following strategies can be used to solve any problem involving the first law of thermodynamics.
The following strategies can be used to solve any problem involving the first law of thermodynamics.
5.2K
01:25Thermodynamic Processes
103
A thermodynamic process is a path through a sequence of states that takes a system from an initial state to a final state. In a cyclic process, the system returns to its initial state, so the changes in state properties and state functions (ΔT, Δp, ΔV, ΔU, ΔH) over one complete cycle are zero. However, heat and work transfers can still occur during the cycle, and the net heat and net work over the cycle need not be zero.A reversible process occurs when the system is...
103
01:21Path Between Thermodynamics States
5.1K
Consider the two thermodynamic processes involving an ideal gas that are represented by paths AC and ABC in Figure 1:
5.1K
01:23Maxwell's Thermodynamic Relations
5.0K
Maxwell's thermodynamic relations are very useful in solving problems in thermodynamics. Each of Maxwell's relations relates a partial differential between quantities that can be hard to measure experimentally to a partial differential between quantities that can be easily measured. These relations are a set of equations derivable from the symmetry of the second derivatives and the thermodynamic potentials.
All thermodynamic potentials are exact differentials. Therefore, their second-order...
All thermodynamic potentials are exact differentials. Therefore, their second-order...
5.0K