Physics:Quantum Amplitude damping: Difference between revisions
Create Open quantum systems scaffold page |
WikiHarold (talk | contribs) Expand short Quantum intro |
||
| (6 intermediate revisions by one other user not shown) | |||
| Line 1: | Line 1: | ||
{{Short description|Quantum noise channel describing energy relaxation}} | |||
{{Quantum book backlink|Open quantum systems}} | |||
{{Quantum article nav|previous=Physics:Quantum Kraus operators|previous label=Kraus operators|next=Physics:Quantum Phase damping|next label=Phase damping}} | |||
{{ScholarlyWiki page top | |||
|backlink= | |||
|image=[[File:Quantum_Amplitude_damping_educational_yellow.png|430px|Amplitude damping: an excited quantum state relaxes and releases energy into its environment.]] | |image=[[File:Quantum_Amplitude_damping_educational_yellow.png|430px|Amplitude damping: an excited quantum state relaxes and releases energy into its environment.]] | ||
|text= | |text=Amplitude damping is a Book I topic in the Quantum Collection. It is a quantum noise process that models energy relaxation from an excited state to a lower-energy state. In a qubit, amplitude damping describes processes such as spontaneous emission, photon loss, or decay from |1> toward |0>. It is usually represented by Kraus operators or by a master equation for an open quantum system. The channel is important in quantum computing because real qubits lose excitation to their environment. Understanding amplitude damping helps connect microscopic dissipation, decoherence, error correction, and the engineering of longer-lived quantum memories. | ||
}} | }} | ||
== Overview == | == Overview == | ||
Placeholder: describe amplitude damping as a quantum noise process in which excitation is lost to an environment. | Placeholder: describe amplitude damping as a quantum noise process in which excitation is lost to an environment. | ||
Latest revision as of 22:58, 23 May 2026
Amplitude damping is a Book I topic in the Quantum Collection. It is a quantum noise process that models energy relaxation from an excited state to a lower-energy state. In a qubit, amplitude damping describes processes such as spontaneous emission, photon loss, or decay from
Overview
Placeholder: describe amplitude damping as a quantum noise process in which excitation is lost to an environment.
Key ideas
Placeholder: cover relaxation, photon loss, spontaneous emission, qubit noise, open-system dynamics.
Relaxation process
Placeholder: develop this section with definitions, examples, formulas, and links to related Quantum Collection pages.
Qubit channel
Placeholder: develop this section with definitions, examples, formulas, and links to related Quantum Collection pages.
Physical examples
Placeholder: develop this section with definitions, examples, formulas, and links to related Quantum Collection pages.
Relation to decoherence
Placeholder: develop this section with definitions, examples, formulas, and links to related Quantum Collection pages.
See also
Table of contents (217 articles)
Index
Full contents
References
Source attribution: Physics:Quantum Amplitude damping
