1. 研究方向

1. 流體動力學基礎研究

• 層變流體中氣泡羽昇流的觀察
• 障礙物後剪力和邊界效應對渦流擴散的影響
• 雙圓柱間紊流強度和平均流之研究
• 羽昇流擴散混合實驗

2. 數值方法

• 渦流擴散的數值探討
• 三維流場低雷諾數流數值模擬
• 單調半拉氏法數值探討
• 液橋模擬
• 海水中氣泡羽昇流數值模擬

3. 大氣物理
4. 複合流體物理學

• 聚合物在二元混合液中之形態
• 電流變液體
• 表面不穩定實驗
• 顆粒流
• 重力影響下區域熔溶的相變

2. 設備

• 水洞實驗室
• 光學流力實驗室

3. 未來展望

• 紊流基礎和應用研究
• 肥皂泡沫在二維不穩定狀態
• 複合流體物理學
• 微重力流體

1. Review of Research Activities

1. Basic research in hydrodynamics

• Visualization of air bubble stream in stratified water
  
• Shear and wall effects on vortex shedding behind an obstacle
• Turbulence intensity and mean flow behind two cylinders
• Diffusion and mixing of buoyant jet

2. Numerical methods

• Numerical investigations of turbulent vortex shedding flows
• Numerical experiments of monotone semi-Lagrangian method
• Simulation on liquid bridge

3. Atmospheric physics
4. Physics of complex fluids

• Polymer conformation in binary mixture
• Electrorheological fluid
• Surfactant driven instability in a Hele-Shaw cell
• Flow in granular systems
• Phase change in zone melting crystal growth under gravity

2. Facilities

• Water channel laboratory
• Optical hydrodynamic laboratory

3. Future Outlook

• Basic and applied research of turbulence
• Two-dimensional turbulence in soap film
• Physics of complex fluids
• Fluids under microgravity

1. 實驗核物理與加速器物理

1. 雷射電子光子實驗
2. 35 MeV 質子對鋰之 (p, n) 核反應
3. 35 MeV (p, n) 核反應類比躍遷對光學位勢之同位向量之研究
4. IPAS 核微離子束系統
5. 重離子-原子碰撞激發螢光產額與L殼層 x-射線能量位移之電荷態相關
6. 中國古代長沙陶瓷之 PIXE 分析研究
7. 中國雞血石之 PIXE 分析研究
8. 鈦/鋁毆姆接觸在n-型氮化鎵表面之機制研究
9. 氫分子附著在氮化矽碳薄膜生長於電子迴旋共振與電漿式化學蒸鍍法之效應研究

2. 理論核物理

1. 以處地密度近似法來處理超核計算之 Pauli 運算子
2. 超核之雙頻殼層模型與介子交換之核子-超核子作用
3. 重介子結構
4. 強子氣模型於重離子碰撞之研究
5. Tsallis 資訊理論之研究

1. Experimental Nuclear Physics and Accelerator-Based Physics

1. Laser electron photon experiment
2. (p, n) reactions on 6,7Li at 35 MeV
3. Isovector part of optical potential studied by analog transitions through (p, n) reaction at 35 MeV
4. The nuclear microprobe facility at IPAS
5. Charge state dependence of the L-shell x-ray energy shifts and fluorescence yields in heavy ion-atom collisions
6. PIXE analysis of ancient Chinese Changsha porcelain
7. PIXE analysis of Chinese chicken-blood stone
8. Investigation of the mechanism for Ti/Al ohmic contact on etched n-GaN surfaces
9. Effect of H2 addition on SiCN film growth in an electron cyclotron resonance plasma chemical vapor deposition reactor

2. Theoretical Nuclear Physics

1. A local density approximation treatment for the Pauli exclusion operator in hypernuclei
2. Two-frequency Shell Model for hypernuclei and meson-exchange hyperon-nucleon potentials
3. Heavy Meson Structures
4. Hadron Gas Model in heavy ion collisions
5. Tsallis information theory

1. 高能實驗物理

1. 參加歐洲粒子物理中心ATLAS實驗
2. 參加美國費米實驗室之CDF實驗
3. 微中子與天文粒子物理研究
4. 參加國際太空站之AMS實驗

2. 粒子物理

1. B介子二體無魅非輕子弱衰變
2. D介子生命期的現象學分析
3. K介子衰變的I=1/2法則及CP破壞
4. 從場論方法探討B介子的生命期及非旁觀者效應
5. 橫向極化之深度非彈性碰撞之高扭貢獻
6. PQCD研究及B介子衰變

3. 宇宙和天文

1. SPOrt計劃：宇宙與天文物理目的
2. 宇宙微波背景各向不同與偏極性之關聯
3. 軸子冷黑物質之光子生成
4. 背景磁場中微中子與光子之相互作用
5. 利用非平衡光子探窺夸克子﹣強子相變

1. Experimental High Energy Physics

1. Participation of ATLAS experiment of CERN.
2. Participation of CDF experiment at Fermilab, USA.
3. Neutrino and Astro-particle Physics Group.
4. Participation of AMS experiment at International Space Station.

2. Particle Phenomenology

1. Charmless hadronic two-body decays of B mesons
2. Phenomenological analysis of D meson lifetimes
3. The I=1/2 rule and CP violation in Kaon decays
4. Nonspectator effects and B meson lifetimes from a field-theoretic calculation
5. Higher twist effect in transversely polarized DIS
6. PQCD study of inclusive B decays

3. Gravitation and Cosmology

1. The SPOrt project: cosmological and astrophysical goals
2. Cosmic microwave background temperature-polarization correlation
3. Photon production of axionic cold dark matter
4. Neutrino-photon scattering and its crossed processes in a background magnetic field
5. Nonequilibrium photons as a signature of quark-hadron phase transition

1.表面科學與薄膜

1. 在銥(001)表面上的結構及銥、銠原子的擴散現象。
2. 矽(111)表面上矽奇異原子團的動態行為。
3. 觀察矽奇異原子團在矽(111)表面的電遷現象。
4. 金屬量子接點的電導和其幾何形狀的關係。
5. 在重構的鉑(100)表面上的巨大費米電子密度波。
6. 觀察在半導體表面反應受限聚集的現象。
7. 二維鉛島在矽(111)7x7表面的低溫成長現象。
8. 電子熱相關擴散散射圖案的Patterson反轉。
9. 低能電子繞射曲線的Patterson反轉。
10. 在面心立方金屬(111)表面小原子團的擴散。
11. 以相位對比強化的超高解析X-光微攝影術。
12. 利用光電子發射顯微鏡進行的同步輻射頻譜顯微術。
13. 發展用同步輻射分析奈米材料的技術。
14. 鑽石薄膜。
15. 金屬薄膜與超晶格。

2.磁性研究

1. 以鈷為主體的鈷、鐵、鎳合金中磁伸縮效應。
2. 由XY向量振動樣品磁量儀量測易軸的角度分佈。
3. 磁性薄膜、多層膜的磁、光、電性質。
4. 相變物質的物性。
5. 穿隧磁電阻。
6. 表面磁光效應。
7. 磁流體研究。
8. 金屬薄膜的電子特性。
9. 鐵磁/超導多層膜的物理特性。
10. 以比熱量測探討Er3Ge4之翻轉氣有序排列。
11. 高溫超導單晶摻雜質後的磁性。

3.量子尺寸效應與奈米及結構。

1. (Ce，Al)化合物中尺寸效應引致之磁性與康斗效應之相變。
2. 康斗和RKKY作用與尺寸效應之關聯性。
3. 單電子元件。

4.非線性晶體的成長及光學性質

1. 單晶成長及其光學性質。
2. 半導體光譜研究。

5.強關聯電子系統

1. 在t-J模型中d-波超導關聯。
2. 高溫超導體的中子散射與光電效應。
3. 在二維及四根栓子階梯t-J模型中帶狀結構穩定性。
4. d-波超導體中一個強散射雜質。

6.生物物理

1. 橫波前進方程式在循環生理學之應用。
2. 電磁場對生物系統的影響及應用。
3. 脈搏頻譜分析及中藥。
4. 高分子的X結晶學。

1. Surface Science and Thin Films

1. Structure and diffusion of small Ir and Rh clusters on Ir(001) surface
2. Dynamic behavior of Si magic clusters on Si(111) surfaces
3. Direct observation of electromigration of Si magic clusters on Si(111) surfaces
4. Geometrical dependence of conductance quantization in metal point contacts
5. Large Fermi density waves on the reconstructed Pt(100) surface
6. Direct observation of reaction-limited aggregation on semiconductor surfaces
7. Low temperature growth of 2D Pb islands on Si(111)7x7 surfaces
8. Patterson inversion of CTDS patterns
9. Patterson inversion of low energy electron diffraction curves
10. Self-diffusions of small clusters on fcc metal (111) surfaces
11. Ultra high resolution X-ray micro-radiography using phase contrast enhancement
12. Synchrotron radiation based spectromicroscopy using photoelectron emission microscope
13. Development of synchrotron radiation techniques in the characterization of nanostructured materials.
14. Diamond thin films
15. Metal thin film and superlattices

2. Magnetism

1. Magnetostriction of Co-rich Co-Fe-Ni alloys
2. Angular dispersion of easy axis as determined by XY-vector VSM
3. Magnetic, optical and electric properties of magnetic films and multilayers
4. Physical property of phase change materials
5. Tunneling Magnetoresistance
6. Surface Magneto-Optical Kerr Effect
7. Magnetic fluid study
8. Electronic properties of metallic thin films
9. Physical properties of Ferromagnet/Superconductor multilayers
10. Calorimetric evaluation of magnetic ordering and spin reorientation in Er3Ge4
11. Magnetism in doped High Tc single crystals

3. Quantum Size Effects and Nanostructures

1. Size-induced transition from magnetic ordering to Kondo behavior in (Ce,Al) compounds
2. Size-dependent Kondo and RKKY interactions
3. Single electronics

4. Crystal Growth and Optical Properties of Non-linear Crystals

1. Single crystal growth and their optical properties
2. Semiconductor spectra study

5. Strongly Correlated Electronic Systems

1. d-wave pairing correlation in the t-J type models
2. Resonant neutron peak and angle resolved photoemission in High Tc superconductors.
3. Stripe stability in the extended t-J model on planes and four-leg ladders
4. A single unitary impurity in a d-wave superconductor

6. Biophysics

1. Transverse wave propagation equation in circulatory system and its application to physiology.
2. E-M field effect on biological system and its applications.
3. Pulse spectrum analysis and Chinese medicine.
4. X-ray crystallography for macromolecules

根據國際純粹及應用物理聯合會(IUPAP)的定義，統計物理的目的為：

1. 發展統計與熱力學的方法以了解宏觀及中觀物質的靜態和動態行為。
2. 將統計物理用於相關領域及非線性動力學、湍流、化學動力學、聚合物、 膠體、液晶、非結晶物質、非均勻介質、神經網路、計算物理等。

本研究群的目的就是從事統計與計算物理的尖端研究，並將統計與計算物理的觀念和方法應用於一些物質科學、生命科學及人文社會科學的研究，本研究群也主辦或協辦有關統計與計算物理的學術會議或研討會，邀請國際上研究統計與計算物理的專家學者和研究生至我國訪問，我們的網址是：
http://www.sinica.edu.tw/~statphys/
本研究群目前有三位編制內研究人員及數位博士後研究學者，每年也有數位訪問學人，由1996年至2001年春，本研究群在SCI期刊共發表七十二篇論文，包括一篇在自然，十一篇在物理評論通訊，二十五篇在物理評論Ｂ或Ｅ，我們的研究問題涵蓋平衡態相變與臨界現象、非平衡統計物理、混沌與非線性動力學、隨機介質與複雜流體、理論生物物理等，我們的重要研究成果包括：

1. 找出展透及自旋相變模型之普適尺度函數。
2. 找出易行模型、Potts模型、及一維量子模型之有限系統在臨界點的修正項及其普適量。
3. 發現易行模型之動態臨界行為有普適臨界指數及普適函數。
4. 摩擦模型在週期性邊界下之自組臨界性。
5. 靜準斷裂現象中之圖型形成與選擇。
6. 了解螺旋裂隙之形成機制。
7. 找出二維流體及半導體微波元件由週期運動至混沌變化之過程。
8. 找出自由度趨向無限大時，非線性耦合系統同步運動之條件。
9. 由反射對稱得到沙堆模型準確之臨界指數。
10. 算出非對稱一維雪崩模型準確的相圖，其臨界指數與雪崩規則有關。
11. 提出新的機制以解釋相對論性快速帶電粒子產生之Ｘ射線。
12. 建立用多重正則蒙地卡羅模型法計算蛋白質立體結構的程式集。
13. 建立用平行電腦計算蛋白質立體結構之步驟及程式集。
14. 求出有長程相關性之生物巨分子（如蛋白質）發生摺疊現象之條件。
15. 發現在鐵磁性物質及自旋玻璃之間，有性質頗類似蛋白質的低溫物質存在。

1. Equilibrium Phase Transitions

1. Cluster analysis of the Ising model and universal finite-size scaling.
2. Randomness-induced evolution of first-order to second-order phase transition in the three-state Potts antiferromagnetic model on a triangular lattice.
3. Polydispersity effect and universality of finite-size scaling function in continuum percolation.
4. Finite-size corrections for the number of clusters in the critical Potts model.
5. Exact phase diagram for hydrogen-bonded crystals with bond defects.
6. Partition function zeros of the Q-state Potts model for non-integer Q.
7. Exact universal amplitude ratios for the two dimensional Ising model and a quantum spin chain.
8. Exact amplitude ratio and finite-size corrections for the M ×N square lattice Ising model.
9. Universal amplitude ratios in the Ising model on the Bethe lattice.
10. Critical behaviour of semi-infinite quenched dilute Ising-like systems in three dimensions: ordinary transition.
11. Universal scaling functions for bond percolation on planar random and square lattices with multiple percolating clusters.
12. Anomalous finite-size effect induced by boundary condition
13. On the critical behaviors of hierarchically decorated lattices

2. Nonequilibrium Statistical Physics

1. Crack paths and patterns in slow fracture.
2. Derivation of continuum dynamics from microscopics.

3. Chaos and Nonlinear Dynamics

1. The diffusion behavior of a simple map with periodic quenched disorder.
2. Multistability and high dimensional chaos in a semiconductor microwave device with time-delay feedback.
3. Pattern competition in photorefractive semiconductors.
4. Inversion symmetry and exact critical exponents of dissipative waves in the sandpile Model.
5. Renormalization group study of Abelian sandpile model on the planar lattices.
6. Synchronous chaos in coupled map lattices with small-world Interactions.
7. Multifractal charaterization of stochastic resonance.
8. Bifurcation, scaling and universality in a bouncing ball system.

4. Random Medium and Complex Fluid

1. New mechanism of X-ray radiation from a relativistic charged particle in a dielectric random medium.
2. Crossover phenomena in a two-dimensional phase-separating binary fluid containing surfactants.
3. Correlation function of random heteropolymer solutions.

5. Theoretical Biological Physics

1. Carrying capacity and demographic stochasticity: Scaling behavior of the stochastic logistic model.
2. Pathogen-driven outbreaks in forest defoliators revisited: Building models from experimental data.
3. Parallel calculation of protein energy in a pentium cluster.
4. [SMMP] A package for the molecular mechanics and Monte carlo simulation of proteins.
5. Protein folding in the presence of power-law correlations.
6. The helix-Coil transition in circular DNA
7. Do proteins sit between a ferromagnet and a spin glass ?
8. Persistent and anti-persistent correlations in protein families and superfamilies.