研究方向:
主要研究介观和纳米超导、多带超导以及拓扑超导的新颖特性，为超导器件微型化提供理论指导。介观和纳米尺度器件的量子束缚效应使其正常状态的电子行为显著不同于大样品超导体正常状态的电子行为，进而它们的超导特性相比于大样品超导体有着诸多新的特点，比如：多分量超导态、尺寸效应、量子瀑布效应等。
近期的工作主要集中于：
1. 表面对密度波超导态(Surface Pair-density-wave superconducting state)的奇异性质。
2. 双带超导体的特征长度和磁性杂质效应研究。
3. 新型拓扑超导体的自旋轨道耦合效应研究。
研究人员：
教师：陈亚江
研究生：徐佩、丁帅博、白云飞
近期代表性论文：
1. Yajiang Chen, Haiping Zhu, and A. A. Shanenko. Interplay of Fermi velocities and healing lengths in two-band superconductors. Phys. Rev. B, 2020, 101:214510.
2. M. D. Croitoru*, A. A. Shanenko, Y. Chen, A. Vagov, and J. Albino Aguiar. Microscopic description of surface superconductivity, Phys. Rev. B, 2020, 102: 054513.
3. Xiumei Yao, Yajiang Chen*, Quanyong Zhu. Robust nanoscale superconductivity under strong thermal fluctuations: Based on oscillatory density of states. Phys. B: Condens. Matter, 2019, 561: 70–74.
4. Yajiang Chen, Quanyong Zhu, Qing Liu, Qingbao Ren. Nanoscale superconductors: Dual Friedel oscillations of single quasiparticles and corresponding influence on determination of the gap energy, Phys. B: Condens. Matter. 2018, 545: 458-464.
5. Haiyan Huang, Qing Liu, Wenhui Zhang, Yajiang Chen*, Novel π-type vortex in a nanoscale extreme type-II superconductor: Induced by quantum-size effect, Phys. B: Condens. Matter. 2016, 500:53-58.
6. Haiping Zhu, Yajiang Chen. Spatiotemporal superposed rogue-wave-like breathers in a (3 + 1)-dimensional variable-coefficient nonlinear Schrödinger equation, Nonlinear Analysis: Modelling and Control, 2016, 21: 77–91.
7. Qingbao Ren, Songhua Ma, Yajiang Chen, Lizhen Sun and Weiping Cao*, Numerical simulation on polymer translocation into crowded environment with nanoparticles, Colloid and Polymer Science, 2016, 294:1351-1357.
8. Yajiang Chen, Hongyu Wu, A. A. Shanenko*, F. M. Peeters, Quantum-size effects and thermal response of anti-Kramer-Pesch vortex core, J. Phys.: Condens. Matter, 2015, 27: 125701-125707.
9. Yajiang Chen, A. A. Shanenko*, F. M. Peeters. Vortex anomaly in low-dimensional fermionic condensates: Quantum confinement breaks chirality, Phys. Rev. B, 2014, 89: 054513-054517.
10. L. Komendová, Yajiang Chen, A. A. Shanenko, M. V. Miloševic, and F. M. Peeters*, Two-band superconductors: Hidden criticality deep in the superconducting state, Phys. Rev. Lett., 2012, 108: 207002-207006.
11. Yajiang Chen, A. A. Shanenko, and F. M. Peeters*, Superconducting quantum-size oscillations in Pb nanofilms: Impact of the thickness-dependent oscillations of the phonon mediated electron-electron coupling, Phys. Rev. B 2012, 85: 224517-224522.
12. Yajiang Chen, A. A. Shanenko*, M. D. Croitoru, and F. M. Peeters, Quantum cascades in nano-engineered superconductors: geometrical, thermal and paramagnetic effects, J. Phys.: Condens. Matter, 2012, 24: 5702-5719.
13. Yajiang Chen, A. A. Shanenko*, A. Perali, and F. M. Peeters, Superconducting nanofilms: molecule-like pairing induced by quantum confinement, J. Phys.: Condens. Matter, 2012, 24: 185701-185708.
14. Yajiang Chen, A. A. Shanenko, and F. M. Peeters*, Hollow nanocylinder: Multisubband superconductivity induced by quantum confinement, Phys. Rev. B, 2010, 81: 134523-134533.
15. Yajiang Chen, M. D. Croitoru, A. A. Shanenko*, and F. M. Peeters, Superconducting nanowires: quantum confinement and spatially dependent Hartree-Fock potential, J. Phys.: Condens. Matter, 2009, 21: 435701-435707.
16. Yajiang Chen, Mauro M. Doria, and F. M. Peeters*, Vortices in a mesoscopic cone: A superconducting tip in the presence of an applied field, Phys. Rev. B, 2008, 77: 054511-054523.
