Physics Expert (PhD / Postdoc)

What you would do

• Solve complex physics problems in your specialization, delivering well-documented derivations and detailed analyses
• Write solutions with all assumptions, approximations, and results clearly stated using LaTeX notation
• Use Python, SymPy, and Jupyter to verify solutions symbolically or numerically where appropriate
• Identify and articulate problem subtleties like boundary effects, limiting cases, and dimensional accuracy
• Iterate on reviewer feedback, cleanly integrating corrections while maintaining documentation standards

Who they want

• PhD in physics or doctoral candidacy nearing completion, with ongoing research involvement
• Research expertise in quantum, statistical, condensed matter, or another advanced subfield
• 2-5 recent publications (past 5 years) with accessible arXiv or DOI records
• Proficiency with LaTeX for mathematics and SymPy, Python, Jupyter for computational work
• Demonstrated excellence in written technical communication and problem-solving

Main skills

What the interview asks about

1. 1.Problem interpretation and edge cases

   Identifying subtleties in problem statements prevents errors and ensures solutions address actual challenges.

   For example: “A problem asks you to calculate field energy but doesn't specify initial conditions or integration limits. How would you identify the ambiguity, propose interpretations, and state your assumptions?”

2. 2.Rigorous mathematical derivation

   Clear derivations with stated approximations are essential; skipping steps or hiding assumptions creates confusion.

   For example: “Derive the solution to a differential equation from your field, showing each major step, approximations used, and final result in LaTeX.”

3. 3.Computational verification

   Checking analytical results numerically catches algebraic errors and validates approximations.

   For example: “You derived a closed-form solution to a quantum mechanics problem. How would you verify it using SymPy or numerical integration, and what discrepancies would concern you?”

4. 4.Boundary conditions and special cases

   Solutions must handle edge cases correctly; failure often indicates incomplete understanding.

   For example: “Your solution involves a parameter that could be zero, infinite, or negative. How would you check behavior in each limit and document any special cases?”

5. 5.Feedback integration and refinement

   Iterative improvement is normal; showing how you respond to critique demonstrates intellectual honesty.

   For example: “A reviewer flagged three assumptions in your solution and suggested alternative boundary conditions. Describe how you would revise your work and communicate changes clearly.”

A task you may get

Solve a problem in your specialization, providing the full derivation in LaTeX, verifying results using Python or SymPy, and documenting all assumptions and special cases.

How to prepare

• Identify two recent problems you solved in your field and be ready to walk through the derivation and assumptions
• Ensure Python and SymPy are installed and verify you can execute a simple symbolic calculation in Jupyter
• Review your most recent research paper for examples of clear mathematical exposition and problem-solving approach
• Prepare examples of how you handle edge cases or boundary conditions in your physics problems

The facts

Pay

$100–200/hr

Open to

Bangladesh, Hong Kong, India, Indonesia, Japan, Kazakhstan, Kyrgyzstan, Malaysia, Pakistan, Philippines, Singapore, Sri Lanka, Taiwan, Thailand, Uzbekistan, Vietnam, Austria, Belarus, Belgium, Denmark, France, Germany, Greece, Italy, Netherlands, Portugal, Russia, Spain, Switzerland, United Kingdom, Argentina, Brazil, Chile, Colombia, Mexico, Peru, Algeria, Bahrain, Egypt, Iraq, Jordan, Kuwait, Lebanon, Libya, Morocco, Oman, Palestine, Qatar, Saudi Arabia, Tunisia, United Arab Emirates, United States, Canada, Nigeria, Kenya, South Africa, Ghana, Ethiopia

Field

Sciences Research

Role type

Expert

Posted

9/7/2026

Places left

14

We wrote this page from the public micro1 listing. It may be out of date, so read the full posting before you apply.