C. Julian Chen

Adjunct Senior Research Scientist and Adjunct Professor

Department of Applied Physics and Applied Mathematics

287D Mudd Building, 500 W120 St, New York, NY 10027

email: jcc2161@columbia.edu

Office telephone: (212) 854-8207


Newspaper Reports
My Half-Norwegian Family

Experimental observations of wavefunctions

In 2011, using scanning tunneling microscopy, nodal structures inside molecular wavefunctions were directly observed, proved that wavefunction is an objective physical field.

To document that discovery, in the third edition of Introduction to Scanning Tunneling Microcopy, a new Chapter, Imaging Wavefunctions is added.

In view of the new understanding of quantum mechanics, a manuscript of an entry-level textbook, The Real Quantum Mechanics, is basically completed. An outline is presented at the 2020 Summer Meeting of American Association of Physics Teachers. Here is the abstract and the video.



APPH E4130: Physics of Solar Energy

Syllabus for Fall 2019 semester

Fall 2019 semester Students

References in Physics of Solar Energy:

Physics of Solar Energy: Introduction

MSAE E4990y: Introduction to Scanning Tunneling Microscopy and Atomic Force Microscopy

Current research fields

Scanning Tunneling Microscopy

Human Voice

Solar Energy


Major awards

IBM Outstanding Innovation Award in Appreciation for ViaVoice for Mandarin, May 1998.

National Award of Outstanding Translated Science and Technology Books, for Introduction to Scanning Tunneling Microscopy, Bureau of News and Publications, People's Republic of China, June 1997.

IBM Research Division Award for Contributions to Real-Time Mandarin Continuous Speech Recognition System, February 1995.

Six IBM Invention Plateau Awards (each such award represents four patent applications).

Gold Medal Award for Self-Induced Repair of Circuits, Association for Electroplating and Surface Finishing, June 1992.



Introduction to Scanning Tunneling Microscopy, Second Edition. Oxford University Press, 2007;Oxford Scholarship Online, 2008; Revised paperback edition, 2015


Physics of Solar Energy, John Wiley and Sons, 2011


Elements of Human Voice, World Scientific Publishing, 2016


Selected journal articles

Selected patents