Research Interests
[Google Scholar]
[ORCID]
Solid State and Material Physics
Slave particle approaches in strongly correlated electron systems
- TK Ng & CH Cheng, Physical Review B 59, R6616 (1999),
"Supersymmetry in models with strong on-site Coulomb repulsion:
Application to the Heisenberg model".
[doi]
[arxiv]
- CH Cheng & TK Ng, Europhysics Letters 52, 87 (2000),
"Supersymmetric mean-field theory of the t-J model".
[doi]
[arxiv]
Spin dynamics of stripe phase
- CH Cheng, Physical Review B 72, 184516 (2005),
"Low-energy effective theory for spin dynamics of fluctuating stripes".
[doi]
[arxiv]
Vortex bound states of topological insulators
- CH Cheng, European Physical Journal B 86, 5 (2013),
"Spectrum of the vortex bound states of the Dirac
and Schrodinger Hamiltonian in the presence of superconducting gaps".
[doi]
[arxiv]
Magnetic domain wall structure in micromagnetics
- YM Kao, L Horng, & CH Cheng, AIP Advances 11, 065308 (2021),
"Analytical studies of the magnetic domain wall structure in the presence of non-uniform
exchange bias".
[doi]
[arxiv]
[pdf]
Soft Matter and Statistical Physics
Polyelectrolyte adsorption
- CH Cheng & PY Lai, AIP Conference Proceedings 708, 229 (2004),
"Polyelectrolyte adsorption on charged substrate".
[doi]
[arxiv]
- CH Cheng & PY Lai, Physical Review E 70, 061805 (2004),
"Adsorption transition of a polyelectrolyte on a high-dielectric charged substrate".
[doi]
[arxiv]
- CH Cheng & PY Lai, Physical Review E 71, 060802(R) (2005),
"Conformational properties of an adsorbed charged polymer".
[doi]
[arxiv]
- CH Cheng & PY Lai, Physical Review E 72, 011808 (2005),
"Scaling theory of polyelectrolyte adsorption on a repulsive charged surface".
[doi]
[arxiv]
- CH Cheng, Physical Review E 73, 012801 (2006),
"Boundary condition of polyelectrolyte adsorption".
[doi]
[arxiv]
Gibbs paradox
- CH Cheng, Entropy 11, 326 (2009),
"Thermodynamics of the system of distinguishable particles".
[doi]
[arxiv]
[pdf]
Interacting Ehrenfest urn model
- CH Tseng, YM Kao, & CH Cheng, Physical Review E 96, 032125 (2017),
"Ehrenfest urn model with interaction".
[doi]
[arxiv]
[pdf]
- CH Cheng, B Gemao, & PY Lai, Physical Review E 101, 012123 (2020),
"Phase transitions in Ehrenfest urn model with interactions:
Coexistence of uniform and nonuniform states".
[doi]
[arxiv]
[pdf]
- CH Cheng & PY Lai,
Physical Review Research 3, 023134 (2021),
"Nonequilibrium thermodynamics and phase transition of Ehrenfest urns with interactions".
[doi]
[arxiv]
[pdf]
- CH Cheng & PY Lai,
Physical Review E 109, 034126 (2024),
"Coexistence of distinct nonuniform nonequilibrium steady states in Ehrenfest multiurn model on a ring".
[doi]
[arxiv]
[pdf]
Network reconstruction
- CH Cheng & PY Lai,
Physical Review E 106, 034302 (2022),
"Efficient reconstruction of directed networks from noisy dynamics
using statistical force inference".
[doi]
[pdf]
Non-equilibrium asymptotic states
- CH Cheng & PY Lai,
Physical Review E 108, 064114 (2023),
"Theory of nonequilibrium asymptotic state thermodynamics:
Interacting Ehrenfest urn ring as an example".
[doi]
[arxiv]
[pdf]
Non-equilibrium Ising / Potts model
- CH Cheng & PY Lai,
Chinese Journal of Physics 88, 475 (2024),
"Non-equilibrium dynamics and phase transitions in Potts model and interacting Ehrenfest urn model".
[doi]
[arxiv]
[pdf]
Atomic and Quantum Physics
BCS-BEC crossover in p-wave Feshbach resonant
system
- CH Cheng & SK Yip, Physical Review Letters 95, 070404 (2005),
"Anisotropic Fermi superfluid via p-wave Feshbach resonance".
[doi]
[arxiv]
- CH Cheng & SK Yip, Physical Review B 73, 064517 (2006),
"Pairing symmetry in an anisotropic Fermi superfluid under a p-wave Feshbach resonance".
[doi]
[arxiv]
Trapped resonant Fermi gas
- CH Cheng & SK Yip, Physical Review B 75, 014526 (2007),
"Trapped resonant fermions above the superfluid transition temperature".
[doi]
[arxiv]
Non-analytic behavior of Fermi gas
- CH Cheng & SK Yip, Physical Review A 95, 033619 (2017),
"SU(N) Fermi liquid at finite temperature".
[doi]
[arxiv]
Dynamics of BEC in harmonic trap with disorder
- CH Hsueh, CH Cheng, TL Horng, & WC Wu,
Entropy 24, 1163 (2022),
"H-theorem in an isolated quantum harmonic oscillator".
[doi]
[arxiv]
[pdf]
Computational Physics
Monte-Carlo simulation in quasi-2D classical Coulomb system
Physics-informed neural networks
Physics Education
Teaching methods
- MF Cheng, JL Lin, SY Lin, & CH Cheng, Journal of Baltic Science Education 16, 207 (2017),
"Scaffolding middle school and high school students' modeling processes".
[doi]
[pdf]
- MF Cheng, YH Lo, & CH Cheng, International Journal of Technology and Design Education (2024),
"The impact of STEM curriculum on students' engineering
design abilities and attitudes toward STEM".
[doi]
[pdf]