![Ioannis Tsohantjis's research works | National and Kapodistrian University of Athens, Athens (uoa) and other places Ioannis Tsohantjis's research works | National and Kapodistrian University of Athens, Athens (uoa) and other places](https://www.researchgate.net/publication/310781844/figure/fig5/AS:566174712250374@1511997978685/Pion-pair-number-N-n-as-a-function-of-electric-field-strength-E-for-E-e-beam-energies_Q320.jpg)
Ioannis Tsohantjis's research works | National and Kapodistrian University of Athens, Athens (uoa) and other places
![Ioannis Tsohantjis's research works | National and Kapodistrian University of Athens, Athens (uoa) and other places Ioannis Tsohantjis's research works | National and Kapodistrian University of Athens, Athens (uoa) and other places](https://www.researchgate.net/profile/Ioannis_Ploumistakis/publication/239532990/figure/fig2/AS:669133452615693@1536545255509/N-0-x-for-o-117eV-bottom-curve-3omiddle-curve-5otop-curve_Q320.jpg)
Ioannis Tsohantjis's research works | National and Kapodistrian University of Athens, Athens (uoa) and other places
![Ioannis Tsohantjis's research works | National and Kapodistrian University of Athens, Athens (uoa) and other places Ioannis Tsohantjis's research works | National and Kapodistrian University of Athens, Athens (uoa) and other places](https://www.researchgate.net/publication/310781844/figure/fig1/AS:566174713090048@1511997978190/Pair-creation-probability-per-unit-volume-and-unit-time-w-n-as-a-function-of-electric_Q320.jpg)
Ioannis Tsohantjis's research works | National and Kapodistrian University of Athens, Athens (uoa) and other places
![Ioannis Tsohantjis's research works | National and Kapodistrian University of Athens, Athens (uoa) and other places Ioannis Tsohantjis's research works | National and Kapodistrian University of Athens, Athens (uoa) and other places](https://www.researchgate.net/profile/Ioannis_Ploumistakis/publication/45862301/figure/fig2/AS:685911062872072@1540545349837/Log-plot-of-the-number-of-created-pairs-N0-vs-x-for-electron-beam-energy-1GeV-top_Q320.jpg)
Ioannis Tsohantjis's research works | National and Kapodistrian University of Athens, Athens (uoa) and other places
![Ioannis Tsohantjis's research works | National and Kapodistrian University of Athens, Athens (uoa) and other places Ioannis Tsohantjis's research works | National and Kapodistrian University of Athens, Athens (uoa) and other places](https://www.researchgate.net/profile/Ioannis_Ploumistakis/publication/239532990/figure/fig3/AS:669133452615694@1536545255537/Upper-bound-h-of-x-as-a-function-of-q-for-o-117eV-top-curve-3o_Q320.jpg)
Ioannis Tsohantjis's research works | National and Kapodistrian University of Athens, Athens (uoa) and other places
![PDF] On electron positron pair production using a two level on resonant multiphoton approximation | Semantic Scholar PDF] On electron positron pair production using a two level on resonant multiphoton approximation | Semantic Scholar](https://d3i71xaburhd42.cloudfront.net/ea84f18764b61d45fe821ce6e660d57e89c2a30e/9-Figure5-1.png)
PDF] On electron positron pair production using a two level on resonant multiphoton approximation | Semantic Scholar
![Ioannis Tsohantjis's research works | National and Kapodistrian University of Athens, Athens (uoa) and other places Ioannis Tsohantjis's research works | National and Kapodistrian University of Athens, Athens (uoa) and other places](https://www.researchgate.net/profile/Ioannis_Ploumistakis/publication/222816740/figure/fig3/AS:269129387081730@1441176854287/Upper-bound-h-of-x-as-a-function-of-q-for-the-cases-o117eV-top-curve-3o-middle_Q320.jpg)
Ioannis Tsohantjis's research works | National and Kapodistrian University of Athens, Athens (uoa) and other places
![Ioannis Tsohantjis's research works | National and Kapodistrian University of Athens, Athens (uoa) and other places Ioannis Tsohantjis's research works | National and Kapodistrian University of Athens, Athens (uoa) and other places](https://www.researchgate.net/profile/Ioannis_Ploumistakis/publication/45862301/figure/fig1/AS:685911062872069@1540545349780/Envelope-of-created-e-e-pair-number-No-vs-rest-mass-unit-q-for-x-09632-and-photon_Q320.jpg)
Ioannis Tsohantjis's research works | National and Kapodistrian University of Athens, Athens (uoa) and other places
![Ioannis Tsohantjis's research works | National and Kapodistrian University of Athens, Athens (uoa) and other places Ioannis Tsohantjis's research works | National and Kapodistrian University of Athens, Athens (uoa) and other places](https://www.researchgate.net/publication/310781844/figure/fig2/AS:566174713090049@1511997978225/Pair-number-N-n-as-a-function-of-electric-field-strength-E-for-E-e-beam-10-GeV-The_Q320.jpg)
Ioannis Tsohantjis's research works | National and Kapodistrian University of Athens, Athens (uoa) and other places
![Ioannis Tsohantjis's research works | National and Kapodistrian University of Athens, Athens (uoa) and other places Ioannis Tsohantjis's research works | National and Kapodistrian University of Athens, Athens (uoa) and other places](https://www.researchgate.net/profile/Ioannis_Ploumistakis/publication/222816740/figure/fig2/AS:268782329397282@1441094109935/a-Envelop-of-number-of-pairs-created-N0-as-a-function-of-the-units-of-rest-mass-q-at_Q320.jpg)