physics

Polina Landa

Polina Landa 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 Polina Landa rather than just read about it. In short: Polina Solomonovna Landa (Russian: Полина Соломоновна Ланда; February 15, 1931 – September 21, 2022) was a Soviet physicist. Early life and education Landa was born in Kyiv, the daughter of Solomon V.

Key takeaways

Polina Landa belongs to physics; place it in that map before memorising details.
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Connect Polina Landa to a quantity you can measure, compute or draw — that is where exam questions come from.
Reproduce the core statement of Polina Landa from memory before moving on to harder problems.

Reference excerpt

Polina Solomonovna Landa (Russian: Полина Соломоновна Ланда; February 15, 1931 – September 21, 2022) was a Soviet physicist.

Early life and education Landa was born in Kyiv, the daughter of Solomon V. Landa. Her family was Jewish. She graduated from high school in Moscow in 1948. She earned a master's degree in physics from Moscow State University in 1953, and completed her doctoral studies there in 1960; her dissertation research, "On the stability of self-oscillatory systems and automatic control systems in the presence of random influences", was written under advisor Sergei Pavlovich Strelkov. She defended a second dissertation, "Investigation of the dynamic and statistical characteristics of optical quantum generators and amplifiers", in 1972.

Career Landa joined the faculty of Moscow State University in 1956, and remained there as a researcher and professor until she retired in 2020. She taught, did research on oscillations, with applications in plasma, lasers, and acoustics, and supervised twelve doctoral students through to the completion of their degrees. She was a visiting researcher at Lancaster University in 1999 and 2003. She was a member of the Russian National Committee on Theoretical and Applied Mechanics.

Publications Landa published dozens of articles and several monographs from her research. Her work appeared in Russian-language and English-language journals, including Physics-Uspekhi, Soviet Journal of Quantum Electronics, Chaos, Solitons, and Fractals, Physical Review E, International Journal of Bifurcation and Chaos, Biological Cybernetics, and Physics Reports. She contributed four articles to The Encyclopedia of Nonlinear Science (2006).

Monographs Wave and Fluctuation Processes in Lasers (1974, with S. G. Zeiger, Y. L. Klimontovich, E. G. Lariontsev, and E. E. Fradkin) Self-Oscillations in Systems with Finite Number of Degrees of Freedom (1980) Self-Oscillations in Distributed Systems (1983) Stochastic and Chaotic Oscillations (1987, with Yuri Neimark) Nonlinear Oscillations and Waves in Dynamical Systems (1996) Regular and Chaotic Oscillations (2001)

Articles "Natural fluctuations in lasers" (1972, with Y. L. Klimontovich and A. S. Kovalev) "Self-locking of laser modes" (1977, with V. A. Vygodin) "Ionization waves in low-temperature plasmas" (1980, with N. A. Miskinova and Y. V. Ponamarev) "Self-oscillatory systems with high-frequency energy sources" (1989, with Y. B. Duboshinskii) "Synchronizing the chaotic oscillations by external force" (1991, with George I. Dykman and Yuri Neimark) "Noise-induced phase transitions in a pendulum with a randomly vibrating suspension axis" (1996, with A. A. Zaikin) "Universality of oscillation theory laws. types and role of mathematical models" (1997) "Turbulence and Coherent Structures in Subsonic Submerged Jets: Control of the Turbulence" (1999, with A. A. Zaikin, A. S. Ginevsky, and Y. V. Vlasov) "Changes in the dynamical behavior of nonlinear systems induced by noise" (2000, with Peter V. E. McClintock) "Self-oscillations in ring Toda chains with negative friction" (2001, with W. Ebeling and V. G. Ushakov) "A model for the speed of memory retrieval" (2003, with Alexander Kaplan and Elena Zhukovskaya) "Development of turbulence in subsonic submerged jets" (2004, with P. V. E. McClintock) "Delusions versus reality in some physics problems: theory and experiment" (2009, with Dmitrii I. Tributskov and Vladimir A. Gusev) "Nonlinear systems with fast and slow motions. Changes in the probability distribution for fast motions under the influence of slower ones" (2013, with P. V. E. McClintock)

Personal life Landa died in 2022, at the age of 91, in Moscow.

References

Illustrations

Worked examples

Example 1 — a first encounter with Polina Landa

Start with the simplest possible case. Write down what Polina Landa 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 Polina Landa 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 Polina Landa 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 Polina Landa

In research: Polina Landa 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 Polina Landa 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: Polina Landa is common in secondary-school and first-year university syllabi. It links to neighbouring topics 1931 births, 2022 deaths, 20th-century Russian physicists, so understanding it makes those chapters shorter.
In everyday life: Look for Polina Landa 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 Polina Landa in 20 minutes

Read the reference excerpt below once, without taking notes.
Close the page and write down what Polina Landa means in your own words.
Compare your version with the excerpt and mark what you missed.
Work through the three examples above with pen and paper.
Explain Polina Landa out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is Polina Landa in simple terms?

Polina Solomonovna Landa (Russian: Полина Соломоновна Ланда; February 15, 1931 – September 21, 2022) was a Soviet physicist. Early life and education Landa was born in Kyiv, the daughter of Solomon V.

Why does Polina Landa 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 Polina Landa?

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 Polina Landa.