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In condensed matter physics, the Kitaev chain is a simplified model for a topological superconductor. It models a one dimensional lattice featuring Majorana bound states. The Kitaev chain have been used as a toy model of semiconductor nanowires for the development of topological quantum computers. … 展开
Hamiltonian
The tight binding Hamiltonian in of a Kitaev chain considers a one dimensional lattice with N site and spinless particles at zero temperature, subjected to nearest neighbour hoping … 展开One possible realization of Kitaev chains is using semiconductor nanowires with strong spin–orbit interaction to break spin-degeneracy, like indium antimonide or indium arsenide. A magnetic field can be applied to induce Zeeman coupling to spin polarize the wire and break 展开
CC-BY-SA 许可证中的维基百科文本 Majorana fermion - Wikipedia
In superconducting materials, a quasiparticle can emerge as a Majorana fermion (non-fundamental), more commonly referred to as a Bogoliubov quasiparticle in condensed matter physics. Its existence becomes possible because a quasiparticle in a superconductor is its own antiparticle.
Mathematically, the superconductor imposes electron hole "symmetry" on the quasiparticle excit…Wikipedia · CC-BY-SA 许可下的文字- 预计阅读时间：12 分钟
Alexei Kitaev - Wikipedia
网页Alexei Yurievich Kitaev (Russian: Алексей Юрьевич Китаев; born August 26, 1963) is a Russian–American professor of physics at the California Institute of Technology and …
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阿列克谢·基塔耶夫 - 维基百科，自由的百科全书
网页2024年4月27日 · 阿列克谢·尤利耶维奇·基塔耶夫 （俄语： Алексей Юрьевич Китаев， 罗马化：Alexei Yurievich Kitaev，1963年8月26日 —），俄裔美国物理学家， 加州理工学 …
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Alexei Kitaev, Theoretical Physicist - Heritage Project
网页KITAEV: It's a chain of fermionic sites. There are sites between which fermions can move. In one dimension, things are easier than in two dimensions and even easier than in three dimensions. We considered a …
Definition of 'Majorana Number' in the Kitaev Chain
网页For the proof with $M = -1$ Kitaev considers two chains, one of length $L_{1}$, the other of length $L_{2}$. For a closed chain the effective Hamitlonian is $H(L) = (i/2) …
喬丹–維格納變換 - 维基百科，自由的百科全书
网页Jordan–Wigner 变换. 能够恢复从自旋算符到真正费米子对易关系的变换于1928由 Jordan 和 Wigner 提出 [1]。. 此为 Klein 变换 的特殊情况。. 考虑费米子链，定义一组新算符. …
Majorana noise model and its influence on the power spectrum
网页Topological phase transition in a ladder of the dimerized Kitaev superconductor chains Bo-Zhen Zhou(周博臻), Bin Zhou(周斌). Chin. Phys. B, 2016, 25(10): 107401.
Sachdev–Ye–Kitaev model - Wikipedia
网页In condensed matter physics and black hole physics, the Sachdev–Ye–Kitaev (SYK) model is an exactly solvable model initially proposed by Subir Sachdev and Jinwu Ye, [1] and …
hamiltonian simulation - Fermionic occupation operator and …
网页2021年3月11日 · The oldest and most commonly known way is the Jordan-Wigner transformation. The qubit operators will be O(N) O (N) -local for N N occupiable orbitals. …
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