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Prof. dr. Ioan-Iovitz POPESCU (Iovitzu)

Member of the Romanian Academy

Vita et Opera: Physics, Plasmas & Lasers
Leisure: Linguistic publications updated September 2015

New: Quantitative Analysis of Poetic Texts

 Same series: Word Frequency Studies

Ether and Etherons:
• Ether and Etherons. A Possible Reappraisal of the Concept of Ether. 1982
• Etherons as predicted by Ioan-Iovitz Popescu in 1982
• Einstein's Cosmic Ether, the Atomic Ether, their Etherons and our Mind



Iovitzu’s Google Scholar profile

Iovitzu at 80 as seen by Dr. George Dinescu, November 22, 2012

Romanian Reports in Physics Festschrift to Honor Iovitzu 80  

Foreword by Professor Gabriel Altmann   

Opera Omnia 2009 Prize (May 2009)

Word Frequency Studies, de Gruyter, Berlin – New York (June 2009)Preview

Aspects of Word Frequencies, RAM - Verlag (July 2009)

Zipf's law – another view, Quality and Quantity, 44(4), 713-731 (2010)

Quantitative Analysis of Italian Texts, RAM - Verlag (February, 2010)

Vectors and codes of text, RAM - Verlag (July, 2010)

NEW! The Lambda-structure of Texts, RAM - Verlag (January, 2011)

The books can be freely accessed at


First_experimental_evidence_of_nano_clustering (1968)

First_experimental_evidence_of_multiphoton_spectra (1973)

Early proposal of X-ray pumping of gamma ray lasers (1982)

And recent Triggered Isomer Proof confirmation (2008)

Iovitzu's lectures on OPTICS, holograph, Universitatea Bucuresti (1988), 258 pages, 62 MB

My most cited paper with Silviu Olariu:
The quantum effects of electromagnetic fluxes
Rev. Mod. Phys. 57, 339 - 436 (1985)


Links dedicated to Ioan-Iovitz Popescu (Iovitzu):


Links dedicated to my dearly beloved Denisa (Daisy)
Heralding Laser Spectroscopy - Vita et Opera of Dr. Denisa Popescu (2003)

Denisa at the time of discovering multiphoton spectra (the spring of 1973)

Dr. Denisa Popescu - In Memoriam by Carl B. Collins 27 November 2003

Nominated for the Nobel Prize in Physics (1981, 1995, 1996, 1997) 

For her discovery of atomic multiphoton spectra (1973)

Denisa's seminal paper on multiphoton spectra (1974) (1.16 MB) 

Cited as a first reference in the review article from Physics Reports 429 (2006) 123 - 241
Pictures of Denisa at her apogee:
Our wedding (August 10, 1963)

Her look while discovering multiphoton spectra (1973)

With Professor Carl B. Collins, Center for Quantum Electronics, UT Dallas (1973)

Working out spectral records (1973)

Denisa and her Dallas team (1973)
Beloved, sleep: “Weep not, she is not dead but sleepeth” Luke 8:52 November 2004

Denisa & Iovitzu - Photo Album April 2006

Days of September 2007

Damned impact factors

New Major Links:

A Schrödinger type explanation of Fresnel formulas August 2007
On the energy transfer in an optical coupler August 2007
Sub-Quantum Medium and Fundamental Particles November 2005
Reconstruction of Einstein's Works on November 1915 2005
Essential isomer triggering reprints 1988 - 2004
Science Journal Ranking by Average Impact Factors updated in December 2002
On a Zipf’s Law Extension to Impact Factors June 2003
Science Journal Titles and their Vocabulary March 2003

Ether and Etherons January 2003

Ether and Etherons (word version 210 KB)

Iovitzu's Curriculum Vitae contents