physics

Tin-Lun Ho

Tin-Lun Ho is a physics topic covered in the lgStudy science library. This page brings together a partial reference excerpt, illustrations, worked examples, real-world applications and a short study plan, so you can understand Tin-Lun Ho rather than just read about it. In short: Tin-Lun "Jason" Ho (born August 12, 1951) is a Chinese-American theoretical physicist, specializing in condensed matter theory, quantum gases, and Bose-Einstein condensates. He is known for the Mermin-Ho relation.

Key takeaways

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Reproduce the core statement of Tin-Lun Ho from memory before moving on to harder problems.

Reference excerpt

Tin-Lun "Jason" Ho (born August 12, 1951) is a Chinese-American theoretical physicist, specializing in condensed matter theory, quantum gases, and Bose-Einstein condensates. He is known for the Mermin-Ho relation.

Education and career Ho graduated in 1972 with a B.Sc. from Chung Chi College, Chinese University of Hong Kong. He was a graduate student for the academic year 1972–1973 at the University of Minnesota and in 1973 transferred to Cornell University. There he graduated in 1977 with a Ph.D. under the supervision of N. David Mermin. Ho was a postdoc from 1977 to 1980 under the supervision of Christopher J. Pethick at the University of Illinois, from 1978 to 1980 at NORDITA, and from 1980 to 1982 at the Kavli Institute for Theoretical Physics at the University of California, Santa Barbara. At Ohio State University (OSU), he was an assistant professor from 1983 to 1989 and an associate professor from 1989 to 1996, when he became a full professor. At OSU he is since 2002 a Distinguished Professor of Mathematical and Physical Sciences. From 2007 to 2014 he was a member of the editorial board of the Journal of Low Temperature Physics. Ho was an Alfred P. Sloan Foundation Fellow for the academic year 1984–1985 and a Fellow of the John Simon Guggenheim Memorial Foundation for the academic year 1999–2000. In 2008 he received the Lars Onsager Prize for "his contributions to quantum liquids and dilute quantum gases, both multi-component and rapidly rotating, and for his leadership in unifying condensed matter and atomic physics research in this area." Ho was elected in 1999 a Fellow the American Physical Society, in 2011 a Fellow of the American Association for the Advancement of Science, and in 2015 a Member of the American Academy of Arts and Sciences.

He has contributed to a variety of areas in condensed matter physics, including quantum liquid, quasicrystals, and quantum Hall effect. His early work on superfluid He-3 is among the earliest applications of topological ideas in condensed matter. ... he has been working on a wide range of problems in dilute quantum gases, and fostering communications between condensed matter physics and atomic physics communities. Most recently, he has been working on Bose-Einstein condensates and optical lattices, for which he proposed a cooling mechanism in 2009.

Selected publications Ho, Tin-Lun; Shenoy, Vivek B. (1996). "Binary Mixtures of Bose Condensates of Alkali Atoms". Physical Review Letters. 77 (16): 3276–3279. Bibcode:1996PhRvL..77.3276H. doi:10.1103/PhysRevLett.77.3276. PMID 10062180. (over 650 citations) Ho, Tin-Lun (1998). "Spinor Bose Condensates in Optical Traps". Physical Review Letters. 81 (4): 742–745. arXiv:cond-mat/9803231. Bibcode:1998PhRvL..81..742H. doi:10.1103/PhysRevLett.81.742. S2CID 18956040. (over 1750 citations) Ciobanu, C. V.; Yip, S.-K.; Ho, Tin-Lun (2000). "Phase diagrams of F=2 spinor Bose-Einstein condensates". Physical Review A. 61 (3) 033607. arXiv:cond-mat/9908018. Bibcode:2000PhRvA..61c3607C. doi:10.1103/PhysRevA.61.033607. S2CID 13881807. Ho, Tin-Lun; Yip, Sung Kit (2000). "Fragmented and Single Condensate Ground States of Spin-1 Bose Gas". Physical Review Letters. 84 (18): 4031–4034. arXiv:cond-mat/9905339. Bibcode:2000PhRvL..84.4031H. doi:10.1103/PhysRevLett.84.4031. PMID 10990603. S2CID 29387943. Ho, Tin-Lun (2001). "Bose-Einstein Condensates with Large Number of Vortices". Physical Review Letters. 87 (6) 060403. arXiv:cond-mat/0104522. Bibcode:2001PhRvL..87f0403H. doi:10.1103/PhysRevLett.87.060403. PMID 11497818. S2CID 7933125. Mueller, Erich J.; Ho, Tin-Lun (2002). "Two-Component Bose-Einstein Condensates with a Large Number of Vortices". Physical Review Letters. 88 (18) 180403. arXiv:cond-mat/0201051. Bibcode:2002PhRvL..88r0403M. doi:10.1103/PhysRevLett.88.180403. PMID 12005671. S2CID 1388421. Ho, Tin-Lun (2004). "Universal Thermodynamics of Degenerate Quantum Gases in the Unitarity Limit". Physical Review Letters. 92 (9) 090402. arXiv:cond-mat/0309109. Bibcode:2004PhRvL..92i0402H. doi:10.1103/PhysRevLett.92.090402. PMID 15089456. S2CID 30208714. (over 550 citations) Ho, Tin-Lun; Mueller, Erich J. (2004). "High Temperature Expansion Applied to Fermions near Feshbach Resonance". Physical Review Letters. 92 (16) 160404. arXiv:cond-mat/0306187. Bibcode:2004PhRvL..92p0404H. doi:10.1103/PhysRevLett.92.160404. PMID 15169207. S2CID 19270421. Mueller, Erich J.; Ho, Tin-Lun; Ueda, Masahito; Baym, Gordon (2006). "Fragmentation of Bose-Einstein condensates". Physical Review A. 74 (3) 033612. arXiv:cond-mat/0605711. Bibcode:2006PhRvA..74c3612M. doi:10.1103/PhysRevA.74.033612. S2CID 119385837. Ho, Tin-Lun; Zhou, Qi (2010). "Obtaining the phase diagram and thermodynamic quantities of bulk systems from the densities of trapped gases". Nature Physics. 6 (2): 131–134. arXiv:0901.0018. Bibcode:2010NatPh...6..131H. doi:10.1038/nphys1477. S2CID 118417606. Ho, Tin-Lun; Zhang, Shizhong (2011). "Bose-Einstein Condensates with Spin-Orbit Interaction". Physical Review Letters. 107 (15) 150403. Bibcode:2011PhRvL.107o0403H. doi:10.1103/PhysRevLett.107.150403. PMID 22107273. Ho, Tin-Lun (2020). "Imaging the Holon string of the Hubbard model". Proceedings of the National Academy of Sciences. 117 (42): 26141–26144. Bibcode:2020PNAS..11726141H. doi:10.1073/pnas.2004268117. PMC 7584989. PMID 33020280. (See Hubbard model.)

References

External links "Tin-Lun (Jason) Ho". YouTube. ITAMP Physics. October 17, 2018; lecture entitled "Signature of spin, charge, and pairing correlation in fermions in optical lattices from thermodynamic and density measurements"{{cite web}}: CS1 maint: postscript (link)

Worked examples

Example 1 — a first encounter with Tin-Lun Ho

Start with the simplest possible case. Write down what Tin-Lun Ho claims or describes in one sentence, then invent the smallest concrete situation in which that sentence is true. In physics, the smallest case is usually a single object, a single equation or a single measurement. Check that every symbol or term in your sentence has a meaning in that case.

Example 2 — changing one variable

Take the situation from Example 1 and change exactly one quantity: double it, halve it, or set it to zero. Predict what should happen to Tin-Lun Ho before you calculate. Comparing your prediction with the result is the fastest way to find out whether you understand the idea or only the words.

Example 3 — an exam-style question

Typical questions about Tin-Lun Ho ask you to (a) state it precisely, (b) apply it to given data, and (c) explain a limitation. Practise writing all three answers in under five minutes; the third part is what separates a full-mark answer from an average one.

Applications of Tin-Lun Ho

In research: Tin-Lun Ho appears in physics research whenever the underlying quantities have to be modelled precisely. Papers usually cite it as a starting assumption and then explore where it breaks down.
In technology and industry: Engineering practice reuses Tin-Lun Ho in design rules, simulations and safety margins. Knowing the idea lets you read a specification sheet and understand why the numbers look the way they do.
In the classroom: Tin-Lun Ho is common in secondary-school and first-year university syllabi. It links to neighbouring topics 1951 births, 20th-century American physicists, 20th-century Chinese physicists, so understanding it makes those chapters shorter.
In everyday life: Look for Tin-Lun Ho outside the textbook — in sport, cooking, traffic, electronics or the sky above you. An example you found yourself is remembered far longer than one you were given.

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How to study Tin-Lun Ho in 20 minutes

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Close the page and write down what Tin-Lun Ho means in your own words.
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Frequently asked questions

What is Tin-Lun Ho in simple terms?

Why does Tin-Lun Ho matter?

Because it connects several physics ideas at once: it gives you a definition you can apply, a quantity you can calculate, and a way to check whether a result is plausible.

How should I study Tin-Lun Ho?

Read the excerpt, restate it from memory, then work through the examples and applications listed on this page. The five-step study plan above takes about twenty minutes.

What does this page cover?

It gives you a compact reference excerpt plus original lgStudy explanations, examples, applications and study material on Tin-Lun Ho.